diff --git a/.github/ISSUE_TEMPLATE/troubleshooting-help.md b/.github/ISSUE_TEMPLATE/troubleshooting-help.md index b8c876b..955c367 100644 --- a/.github/ISSUE_TEMPLATE/troubleshooting-help.md +++ b/.github/ISSUE_TEMPLATE/troubleshooting-help.md @@ -1,31 +1,29 @@ --- name: Troubleshooting help about: Ask for help to solve problems with user.js -title: 'follow instructions or this will be closed as invalid' +title: '' labels: '' assignees: '' --- - - - -🟥 https://github.com/arkenfox/user.js/wiki/5.2-Troubleshooting -- [ ] I have read the troubleshooting guide, done the checks and confirmed this is caused by arkenfox - - _unchecked issues ~~may~~ will be closed as invalid_ - -🟪 REQUIRED INFO - - Browser version & OS: - - Steps to Reproduce (STR): - - Expected result: - - Actual result: - - Console errors and warnings: - - Anything else you deem worth mentioning: - ---- +Clear all of this when you're ready to type. diff --git a/README.md b/README.md index 1a27d8a..1522a3e 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,5 @@ ### 🟪 user.js -A `user.js` is a configuration file that can control Firefox settings - for a more technical breakdown and explanation, you can read more in the [wiki](https://github.com/arkenfox/user.js/wiki/2.1-User.js) +A `user.js` is a configuration file that can control hundreds of Firefox settings. For a more technical breakdown and explanation, you can read more on the [overview](https://github.com/arkenfox/user.js/wiki/1.1-Overview) wiki page. ### 🟩 the arkenfox user.js @@ -7,9 +7,9 @@ A `user.js` is a configuration file that can control Firefox settings - for a mo The `arkenfox user.js` is a **template** which aims to provide as much privacy and enhanced security as possible, and to reduce tracking and fingerprinting as much as possible - while minimizing any loss of functionality and breakage (but it will happen). -Everyone, experts included, should at least read the [wiki](https://github.com/arkenfox/user.js/wiki), as it contains important information regarding a few `user.js` settings. There is also an [interactive current release](https://arkenfox.github.io/gui/), thanks to [icpantsparti2](https://github.com/icpantsparti2). +Everyone, experts included, should at least read the [implementation](https://github.com/arkenfox/user.js/wiki/1.3-Implementation) wiki page, as it contains important information regarding a few `user.js` settings. -Note that we do *not* recommend connecting over Tor on Firefox. Use the [Tor Browser](https://www.torproject.org/projects/torbrowser.html.en) if your [threat model](https://2019.www.torproject.org/about/torusers.html) calls for it, or for accessing hidden services. +Note that we do *not* recommend connecting over Tor on Firefox. Use the [Tor Browser](https://www.torproject.org/projects/torbrowser.html.en) if your [threat model](https://www.torproject.org/about/torusers.html.en) calls for it, or for accessing hidden services. Also be aware that the `arkenfox user.js` is made specifically for desktop Firefox. Using it as-is in other Gecko-based browsers can be counterproductive, especially in the Tor Browser. @@ -20,7 +20,6 @@ Also be aware that the `arkenfox user.js` is made specifically for desktop Firef - [wiki](https://github.com/arkenfox/user.js/wiki) - [stickies](https://github.com/arkenfox/user.js/issues?q=is%3Aissue+is%3Aopen+label%3A%22sticky+topic%22) - [diffs](https://github.com/arkenfox/user.js/issues?q=is%3Aissue+label%3Adiffs) - - [common questions and answers](https://github.com/arkenfox/user.js/issues?q=is%3Aissue+label%3Aanswered) ### 🟥 acknowledgments Literally thousands of sources, references and suggestions. Many thanks, and much appreciated. diff --git a/prefsCleaner.bat b/prefsCleaner.bat index 62ca5f0..616ec28 100644 --- a/prefsCleaner.bat +++ b/prefsCleaner.bat @@ -3,19 +3,17 @@ TITLE prefs.js cleaner REM ### prefs.js cleaner for Windows REM ## author: @claustromaniac -REM ## version: 2.8 +REM ## version: 2.4 CD /D "%~dp0" -IF /I "%~1"=="-unattended" (SET _ua=1) - :begin ECHO: ECHO: ECHO ######################################## ECHO #### prefs.js cleaner for Windows #### ECHO #### by claustromaniac #### -ECHO #### v2.8 #### +ECHO #### v2.4 #### ECHO ######################################## ECHO: CALL :message "This script should be run from your Firefox profile directory." @@ -24,22 +22,17 @@ CALL :message "This will allow inactive preferences to be reset to their default ECHO This Firefox profile shouldn't be in use during the process. CALL :message "" TIMEOUT 1 /nobreak >nul - -IF NOT DEFINED _ua ( - CHOICE /C SHE /N /M "Start [S] Help [H] Exit [E]" - CLS - IF ERRORLEVEL 3 (EXIT /B) - IF ERRORLEVEL 2 (GOTO :showhelp) -) +CHOICE /C SHE /N /M "Start [S] Help [H] Exit [E]" +CLS +IF ERRORLEVEL 3 (EXIT /B) +IF ERRORLEVEL 2 (GOTO :showhelp) IF NOT EXIST "user.js" (CALL :abort "user.js not found in the current directory." 30) IF NOT EXIST "prefs.js" (CALL :abort "prefs.js not found in the current directory." 30) CALL :strlenCheck CALL :FFcheck - CALL :message "Backing up prefs.js..." -FOR /F "delims=" %%# IN ('powershell -command get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%# -COPY /B /V /Y prefs.js "prefs-backup-%ldt%.js" - +SET "_time=%time: =0%" +COPY /B /V /Y prefs.js "prefs-backup-%date:/=-%_%_time::=.%.js" CALL :message "Cleaning prefs.js..." CALL :cleanup CALL :message "All done!" diff --git a/prefsCleaner.sh b/prefsCleaner.sh old mode 100755 new mode 100644 index b9739b2..7db9ef0 --- a/prefsCleaner.sh +++ b/prefsCleaner.sh @@ -2,54 +2,33 @@ ## prefs.js cleaner for Linux/Mac ## author: @claustromaniac -## version: 2.1 +## version: 1.4 ## special thanks to @overdodactyl and @earthlng for a few snippets that I stol..*cough* borrowed from the updater.sh -## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_prefsCleaner() ) - -readonly CURRDIR=$(pwd) +currdir=$(pwd) ## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed) -SCRIPT_FILE=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null) +sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null) ## fallback for Macs without coreutils -[ -z "$SCRIPT_FILE" ] && SCRIPT_FILE=${BASH_SOURCE[0]} +if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi - -AUTOUPDATE=true -QUICKSTART=false - -## download method priority: curl -> wget -DOWNLOAD_METHOD='' -if command -v curl >/dev/null; then - DOWNLOAD_METHOD='curl --max-redirs 3 -so' -elif command -v wget >/dev/null; then - DOWNLOAD_METHOD='wget --max-redirect 3 --quiet -O' -else - AUTOUPDATE=false - echo -e "No curl or wget detected.\nAutomatic self-update disabled!" -fi +## change directory to the Firefox profile directory +cd "$(dirname "${sfp}")" fQuit() { ## change directory back to the original working directory - cd "${CURRDIR}" + cd "${currdir}" [ "$1" -eq 0 ] && echo -e "\n$2" || echo -e "\n$2" >&2 exit $1 } fUsage() { - echo -e "\nUsage: $0 [-ds]" + echo -e "\nUsage: $0 [-s]" echo -e " Optional Arguments: - -s Start immediately - -d Don't auto-update prefsCleaner.sh" -} - -download_file() { # expects URL as argument ($1) - declare -r tf=$(mktemp) - - $DOWNLOAD_METHOD "${tf}" "$1" &>/dev/null && echo "$tf" || echo '' # return the temp-filename or empty string on error + -s Start immediately" } fFF_check() { @@ -61,24 +40,6 @@ fFF_check() { done } -## returns the version number of a prefsCleaner.sh file -get_prefsCleaner_version() { - echo "$(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$1")" -} - -## updates the prefsCleaner.sh file based on the latest public version -update_prefsCleaner() { - declare -r tmpfile="$(download_file 'https://raw.githubusercontent.com/arkenfox/user.js/master/prefsCleaner.sh')" - [ -z "$tmpfile" ] && echo -e "Error! Could not download prefsCleaner.sh" && return 1 # check if download failed - - [[ $(get_prefsCleaner_version "$SCRIPT_FILE") == $(get_prefsCleaner_version "$tmpfile") ]] && return 0 - - mv "$tmpfile" "$SCRIPT_FILE" - chmod u+x "$SCRIPT_FILE" - "$SCRIPT_FILE" "$@" -d - exit 0 -} - fClean() { # the magic happens here prefs="@@" @@ -108,8 +69,7 @@ fStart() { fi fFF_check - mkdir -p prefsjs_backups - bakfile="prefsjs_backups/prefs.js.backup.$(date +"%Y-%m-%d_%H%M")" + bakfile="prefs.js.backup.$(date +"%Y-%m-%d_%H%M")" mv prefs.js "${bakfile}" || fQuit 1 "Operation aborted.\nReason: Could not create backup file $bakfile" echo -e "\nprefs.js backed up: $bakfile" echo "Cleaning prefs.js..." @@ -117,47 +77,18 @@ fStart() { fQuit 0 "All done!" } - -while getopts "sd" opt; do - case $opt in - s) - QUICKSTART=true - ;; - d) - AUTOUPDATE=false - ;; - esac -done - -## change directory to the Firefox profile directory -cd "$(dirname "${SCRIPT_FILE}")" - -# Check if running as root and if any files have the owner as root/wheel. -if [ "${EUID:-"$(id -u)"}" -eq 0 ]; then - fQuit 1 "You shouldn't run this with elevated privileges (such as with doas/sudo)." -elif [ -n "$(find ./ -user 0)" ]; then - printf 'It looks like this script was previously run with elevated privileges, -you will need to change ownership of the following files to your user:\n' - find . -user 0 - fQuit 1 -fi - -[ "$AUTOUPDATE" = true ] && update_prefsCleaner "$@" - echo -e "\n\n" echo " ╔══════════════════════════╗" echo " ║ prefs.js cleaner ║" echo " ║ by claustromaniac ║" -echo " ║ v2.1 ║" +echo " ║ v1.4 ║" echo " ╚══════════════════════════╝" echo -e "\nThis script should be run from your Firefox profile directory.\n" echo "It will remove any entries from prefs.js that also exist in user.js." echo "This will allow inactive preferences to be reset to their default values." echo -e "\nThis Firefox profile shouldn't be in use during the process.\n" -[ "$QUICKSTART" = true ] && fStart - -echo -e "\nIn order to proceed, select a command below by entering its corresponding number.\n" +[ "$1" == '-s' ] && fStart select option in Start Help Exit; do case $option in @@ -181,5 +112,3 @@ select option in Start Help Exit; do ;; esac done - -fQuit 0 diff --git a/scratchpad-scripts/arkenfox-cleanup.js b/scratchpad-scripts/arkenfox-cleanup.js deleted file mode 100644 index 3434fc7..0000000 --- a/scratchpad-scripts/arkenfox-cleanup.js +++ /dev/null @@ -1,166 +0,0 @@ -/*** - This will reset the preferences that since FF91 have been - - removed from the arkenfox user.js - - deprecated by Mozilla but listed in the arkenfox user.js in the past - - There is an archived version at https://github.com/arkenfox/user.js/issues/123 - if you want the full list since jesus - - Last updated: 21-April-2025 - - Instructions: - - [optional] close Firefox and backup your profile - - [optional] disable your network connection [1] - - start Firefox - - load about:config and press Ctrl+Shift+K to open the Web Console for about:config - - using about:config is important, so the script has the right permissions - - paste this script - - if you edited the list of prefs in the script, make sure the last pref does not have a trailing comma - - hit enter - - check the Info output to see which prefs were reset - - restart - - some prefs require a restart - - a restart will reapply your user.js - - [optional] re-enable your network connection - - [1] Blocking Firefox from the internet ensures it cannot act on your reset preferences in the - period before you restart it, such as app and extension auto-updating, or downloading unwanted - components (GMP etc). It depends on what you're resetting and how long before you restart. - -***/ - -(() => { - - if ('undefined' === typeof(Services)) return alert('about:config needs to be the active tab!'); - - const aPREFS = [ - /* DEPRECATED */ - /* 129-140 */ - 'media.ondevicechange.enabled', // 137 - 'webchannel.allowObject.urlWhitelist', // 132 - /* 116-128 */ - 'browser.contentanalysis.default_allow', // 127 - 'browser.messaging-system.whatsNewPanel.enabled', // 126 - 'browser.ping-centre.telemetry', // 123 - 'dom.webnotifications.serviceworker.enabled', // 117 - 'javascript.use_us_english_locale', // 119 - 'layout.css.font-visibility.private', // 118 - 'layout.css.font-visibility.resistFingerprinting', // 116 - 'layout.css.font-visibility.standard', // 118 - 'layout.css.font-visibility.trackingprotection', // 118 - 'network.dns.skipTRR-when-parental-control-enabled', // 119 - 'permissions.delegation.enabled', // 118 - 'security.family_safety.mode', // 117 - 'widget.non-native-theme.enabled', // 127 - /* 103-115 */ - 'browser.cache.offline.enable', // 115 - 'extensions.formautofill.heuristics.enabled', // 114 - 'network.cookie.lifetimePolicy', // 103 [technically removed in 104] - 'privacy.clearsitedata.cache.enabled', // 114 - 'privacy.resistFingerprinting.testGranularityMask', // 114 - 'security.pki.sha1_enforcement_level', // 103 - /* 92-102 */ - 'browser.urlbar.suggest.quicksuggest', // 95 - 'dom.securecontext.whitelist_onions', // 97 - 'dom.storage.next_gen', // 102 - 'network.http.spdy.enabled', // 100 - 'network.http.spdy.enabled.deps', - 'network.http.spdy.enabled.http2', - 'network.http.spdy.websockets', - 'layout.css.font-visibility.level', // 94 - 'security.ask_for_password', // 102 - 'security.csp.enable', // 99 - 'security.password_lifetime', // 102 - 'security.ssl3.rsa_des_ede3_sha', // 93 - - /* REMOVED */ - /* 129-140 */ - 'dom.securecontext.allowlist_onions', - 'network.http.referer.hideOnionSource', - 'privacy.clearOnShutdown.cache', - 'privacy.clearOnShutdown.cookies', - 'privacy.clearOnShutdown.downloads', - 'privacy.clearOnShutdown.formdata', - 'privacy.clearOnShutdown.history', - 'privacy.clearOnShutdown.offlineApps', - 'privacy.clearOnShutdown.sessions', - 'privacy.cpd.cache', - 'privacy.cpd.cookies', - 'privacy.cpd.formdata', - 'privacy.cpd.history', - 'privacy.cpd.offlineApps', - 'privacy.cpd.sessions', - /* 116-128 */ - 'browser.fixup.alternate.enabled', - 'browser.taskbar.previews.enable', - 'browser.urlbar.dnsResolveSingleWordsAfterSearch', - 'geo.provider.network.url', - 'geo.provider.network.logging.enabled', - 'geo.provider.use_gpsd', - 'media.gmp-widevinecdm.enabled', - 'network.protocol-handler.external.ms-windows-store', - 'privacy.partition.always_partition_third_party_non_cookie_storage', - 'privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage', - 'privacy.partition.serviceWorkers', - /* 103-115 */ - 'beacon.enabled', - 'browser.startup.blankWindow', - 'browser.newtab.preload', - 'browser.newtabpage.activity-stream.feeds.discoverystreamfeed', - 'browser.newtabpage.activity-stream.feeds.snippets', - 'browser.region.network.url', - 'browser.region.update.enabled', - 'browser.search.region', - 'browser.ssl_override_behavior', - 'browser.tabs.warnOnClose', - 'devtools.chrome.enabled', - 'dom.disable_beforeunload', - 'dom.disable_open_during_load', - 'dom.netinfo.enabled', - 'dom.vr.enabled', - 'extensions.formautofill.addresses.supported', - 'extensions.formautofill.available', - 'extensions.formautofill.creditCards.available', - 'extensions.formautofill.creditCards.supported', - 'middlemouse.contentLoadURL', - 'network.http.altsvc.oe', - /* 92-102 */ - 'browser.urlbar.trimURLs', - 'dom.caches.enabled', - 'dom.storageManager.enabled', - 'dom.storage_access.enabled', - 'dom.targetBlankNoOpener.enabled', - 'network.cookie.thirdparty.sessionOnly', - 'network.cookie.thirdparty.nonsecureSessionOnly', - 'privacy.firstparty.isolate.block_post_message', - 'privacy.firstparty.isolate.restrict_opener_access', - 'privacy.firstparty.isolate.use_site', - 'privacy.window.name.update.enabled', - 'security.insecure_connection_text.enabled', - - /* IMPORTANT: last active pref must not have a trailing comma */ - /* reset parrot: check your open about:config after running the script */ - '_user.js.parrot' - ]; - - console.clear(); - - let c = 0; - for (const sPname of aPREFS) { - if (Services.prefs.prefHasUserValue(sPname)) { - Services.prefs.clearUserPref(sPname); - if (!Services.prefs.prefHasUserValue(sPname)) { - console.info('reset', sPname); - c++; - } else console.warn('failed to reset', sPname); - } - } - - focus(); - - const d = (c==1) ? ' pref' : ' prefs'; - alert(c ? 'successfully reset ' + c + d + "\n\nfor details check the console" : 'nothing to reset'); - - return 'all done'; - -})(); diff --git a/scratchpad-scripts/arkenfox-clear-deprecated.js b/scratchpad-scripts/arkenfox-clear-deprecated.js new file mode 100644 index 0000000..9ef8100 --- /dev/null +++ b/scratchpad-scripts/arkenfox-clear-deprecated.js @@ -0,0 +1,232 @@ +/*** + Version: up to and including FF/ESR91 + + This will reset the preferences that have been deprecated by Mozilla + and used in the arkenfox user.js + + It is in reverse order, so feel free to remove sections that do not apply + + For instructions see: + https://github.com/arkenfox/user.js/wiki/3.1-Resetting-Inactive-Prefs-[Scripts] +***/ + +(() => { + + if ('undefined' === typeof(Services)) return alert('about:config needs to be the active tab!'); + + const aPREFS = [ + /* deprecated */ + /* FF79-91 */ + 'browser.cache.offline.storage.enable', + 'browser.download.hide_plugins_without_extensions', + 'browser.library.activity-stream.enabled', + 'browser.search.geoSpecificDefaults', + 'browser.search.geoSpecificDefaults.url', + 'dom.ipc.plugins.flash.subprocess.crashreporter.enabled', + 'dom.ipc.plugins.reportCrashURL', + 'dom.w3c_pointer_events.enabled', + 'intl.charset.fallback.override', + 'network.ftp.enabled', + 'plugin.state.flash', + 'security.mixed_content.block_object_subrequest', + 'security.ssl.errorReporting.automatic', + 'security.ssl.errorReporting.enabled', + 'security.ssl.errorReporting.url', + /* 69-78 */ + 'browser.newtabpage.activity-stream.telemetry.ping.endpoint', + 'browser.tabs.remote.allowLinkedWebInFileUriProcess', + 'browser.urlbar.oneOffSearches', + 'devtools.webide.autoinstallADBExtension', + 'devtools.webide.enabled', + 'dom.indexedDB.enabled', + 'extensions.blocklist.url', + 'geo.wifi.logging.enabled', + 'geo.wifi.uri', + 'gfx.downloadable_fonts.woff2.enabled', + 'media.autoplay.allow-muted', + 'media.autoplay.enabled.user-gestures-needed', + 'offline-apps.allow_by_default', + 'plugins.click_to_play', + 'privacy.userContext.longPressBehavior', + 'toolkit.cosmeticAnimations.enabled', + 'toolkit.telemetry.hybridContent.enabled', + 'webgl.disable-extensions', + /* 61-68 */ + 'app.update.enabled', + 'browser.aboutHomeSnippets.updateUrl', + 'browser.chrome.errorReporter.enabled', + 'browser.chrome.errorReporter.submitUrl', + 'browser.chrome.favicons', + 'browser.ctrlTab.previews', + 'browser.fixup.hide_user_pass', + 'browser.newtabpage.activity-stream.asrouter.userprefs.cfr', + 'browser.newtabpage.activity-stream.disableSnippets', + 'browser.onboarding.enabled', + 'browser.search.countryCode', + 'browser.urlbar.autocomplete.enabled', + 'devtools.webide.adbAddonURL', + 'devtools.webide.autoinstallADBHelper', + 'dom.event.highrestimestamp.enabled', + 'experiments.activeExperiment', + 'experiments.enabled', + 'experiments.manifest.uri', + 'experiments.supported', + 'lightweightThemes.update.enabled', + 'media.autoplay.enabled', + 'network.allow-experiments', + 'network.cookie.lifetime.days', + 'network.jar.block-remote-files', + 'network.jar.open-unsafe-types', + 'plugin.state.java', + 'security.csp.enable_violation_events', + 'security.csp.experimentalEnabled', + 'shield.savant.enabled', + /* 60 or earlier */ + 'browser.bookmarks.showRecentlyBookmarked', + 'browser.casting.enabled', + 'browser.crashReports.unsubmittedCheck.autoSubmit', + 'browser.formautofill.enabled', + 'browser.formfill.saveHttpsForms', + 'browser.fullscreen.animate', + 'browser.history.allowPopState', + 'browser.history.allowPushState', + 'browser.history.allowReplaceState', + 'browser.newtabpage.activity-stream.enabled', + 'browser.newtabpage.directory.ping', + 'browser.newtabpage.directory.source', + 'browser.newtabpage.enhanced', + 'browser.newtabpage.introShown', + 'browser.pocket.api', + 'browser.pocket.enabled', + 'browser.pocket.oAuthConsumerKey', + 'browser.pocket.site', + 'browser.polaris.enabled', + 'browser.safebrowsing.appRepURL', + 'browser.safebrowsing.enabled', + 'browser.safebrowsing.gethashURL', + 'browser.safebrowsing.malware.reportURL', + 'browser.safebrowsing.provider.google.appRepURL', + 'browser.safebrowsing.reportErrorURL', + 'browser.safebrowsing.reportGenericURL', + 'browser.safebrowsing.reportMalwareErrorURL', + 'browser.safebrowsing.reportMalwareMistakeURL', + 'browser.safebrowsing.reportMalwareURL', + 'browser.safebrowsing.reportPhishMistakeURL', + 'browser.safebrowsing.reportURL', + 'browser.safebrowsing.updateURL', + 'browser.search.showOneOffButtons', + 'browser.selfsupport.enabled', + 'browser.selfsupport.url', + 'browser.sessionstore.privacy_level_deferred', + 'browser.tabs.animate', + 'browser.trackingprotection.gethashURL', + 'browser.trackingprotection.updateURL', + 'browser.urlbar.unifiedcomplete', + 'browser.usedOnWindows10.introURL', + 'camera.control.autofocus_moving_callback.enabled', + 'camera.control.face_detection.enabled', + 'datareporting.healthreport.about.reportUrl', + 'datareporting.healthreport.about.reportUrlUnified', + 'datareporting.healthreport.documentServerURI', + 'datareporting.healthreport.service.enabled', + 'datareporting.policy.dataSubmissionEnabled.v2', + 'devtools.webide.autoinstallFxdtAdapters', + 'dom.archivereader.enabled', + 'dom.battery.enabled', + 'dom.beforeAfterKeyboardEvent.enabled', + 'dom.disable_image_src_set', + 'dom.disable_window_open_feature.scrollbars', + 'dom.disable_window_status_change', + 'dom.enable_user_timing', + 'dom.flyweb.enabled', + 'dom.idle-observers-api.enabled', + 'dom.keyboardevent.code.enabled', + 'dom.network.enabled', + 'dom.push.udp.wakeupEnabled', + 'dom.telephony.enabled', + 'dom.vr.oculus050.enabled', + 'dom.workers.enabled', + 'dom.workers.sharedWorkers.enabled', + 'extensions.formautofill.experimental', + 'extensions.screenshots.system-disabled', + 'extensions.shield-recipe-client.api_url', + 'extensions.shield-recipe-client.enabled', + 'full-screen-api.approval-required', + 'general.useragent.locale', + 'geo.security.allowinsecure', + 'intl.locale.matchOS', + 'loop.enabled', + 'loop.facebook.appId', + 'loop.facebook.enabled', + 'loop.facebook.fallbackUrl', + 'loop.facebook.shareUrl', + 'loop.feedback.formURL', + 'loop.feedback.manualFormURL', + 'loop.logDomains', + 'loop.server', + 'media.block-play-until-visible', + 'media.eme.apiVisible', + 'media.eme.chromium-api.enabled', + 'media.getusermedia.screensharing.allow_on_old_platforms', + 'media.getusermedia.screensharing.allowed_domains', + 'media.gmp-eme-adobe.autoupdate', + 'media.gmp-eme-adobe.enabled', + 'media.gmp-eme-adobe.visible', + 'network.http.referer.userControlPolicy', + 'network.http.sendSecureXSiteReferrer', + 'network.http.spdy.enabled.http2draft', + 'network.http.spdy.enabled.v3-1', + 'network.websocket.enabled', + 'pageThumbs.enabled', + 'pfs.datasource.url', + 'plugin.scan.Acrobat', + 'plugin.scan.Quicktime', + 'plugin.scan.WindowsMediaPlayer', + 'plugins.enumerable_names', + 'plugins.update.notifyUser', + 'plugins.update.url', + 'privacy.clearOnShutdown.passwords', + 'privacy.donottrackheader.value', + 'security.mixed_content.send_hsts_priming', + 'security.mixed_content.use_hsts', + 'security.ssl3.ecdhe_ecdsa_rc4_128_sha', + 'security.ssl3.ecdhe_rsa_rc4_128_sha', + 'security.ssl3.rsa_rc4_128_md5', + 'security.ssl3.rsa_rc4_128_sha', + 'security.tls.insecure_fallback_hosts.use_static_list', + 'security.tls.unrestricted_rc4_fallback', + 'security.xpconnect.plugin.unrestricted', + 'social.directories', + 'social.enabled', + 'social.remote-install.enabled', + 'social.share.activationPanelEnabled', + 'social.shareDirectory', + 'social.toast-notifications.enabled', + 'social.whitelist', + 'toolkit.telemetry.unifiedIsOptIn', + + /* reset parrot: check your open about:config after running the script */ + '_user.js.parrot' + ]; + + console.clear(); + + let c = 0; + for (const sPname of aPREFS) { + if (Services.prefs.prefHasUserValue(sPname)) { + Services.prefs.clearUserPref(sPname); + if (!Services.prefs.prefHasUserValue(sPname)) { + console.info('reset', sPname); + c++; + } else console.warn('failed to reset', sPname); + } + } + + focus(); + + const d = (c==1) ? ' pref' : ' prefs'; + alert(c ? 'successfully reset ' + c + d + "\n\nfor details check the console" : 'nothing to reset'); + + return 'all done'; + +})(); diff --git a/scratchpad-scripts/arkenfox-clear-removed.js b/scratchpad-scripts/arkenfox-clear-removed.js new file mode 100644 index 0000000..bd99cb5 --- /dev/null +++ b/scratchpad-scripts/arkenfox-clear-removed.js @@ -0,0 +1,260 @@ +/*** + This will reset the preferences that have been removed completely from the arkenfox user.js. + + Last updated: 29-August-2021 + + For instructions see: + https://github.com/arkenfox/user.js/wiki/3.1-Resetting-Inactive-Prefs-[Scripts] +***/ + +(() => { + + if ('undefined' === typeof(Services)) return alert('about:config needs to be the active tab!'); + + const aPREFS = [ + /* removed in arkenfox user.js */ + /* 91 */ + 'alerts.showFavicons', + 'dom.allow_cut_copy', + 'dom.battery.enabled', + 'dom.storage.enabled', + 'dom.vibrator.enabled', + 'general.warnOnAboutConfig', + 'gfx.direct2d.disabled', + 'layers.acceleration.disabled', + 'media.getusermedia.audiocapture.enabled', + 'media.getusermedia.browser.enabled', + 'media.getusermedia.screensharing.enabled', + 'media.media-capabilities.enabled', + 'security.insecure_connection_icon.enabled', + 'security.mixed_content.block_active_content', + /* 79-90 */ + 'browser.newtabpage.activity-stream.asrouter.providers.snippets', + 'browser.send_pings.require_same_host', + 'browser.urlbar.usepreloadedtopurls.enabled', + 'dom.IntersectionObserver.enabled', + 'extensions.screenshots.upload-disabled', + 'media.gmp-widevinecdm.visible', + 'network.http.redirection-limit', + 'privacy.partition.network_state', + 'security.ssl.enable_ocsp_stapling', + 'security.ssl3.dhe_rsa_aes_128_sha', + 'security.ssl3.dhe_rsa_aes_256_sha', + 'webgl.min_capability_mode', + /* 69-78 */ + 'browser.cache.disk_cache_ssl', + 'browser.search.geoip.url', + 'browser.search.region', + 'browser.sessionhistory.max_entries', + 'dom.push.connection.enabled', + 'dom.push.serverURL', + 'extensions.getAddons.discovery.api_url', + 'extensions.htmlaboutaddons.discover.enabled', + 'extensions.webservice.discoverURL', + 'intl.locale.requested', + 'intl.regional_prefs.use_os_locales', + 'media.block-autoplay-until-in-foreground', + 'middlemouse.paste', + 'plugin.sessionPermissionNow.intervalInMinutes', + 'privacy.usercontext.about_newtab_segregation.enabled', + 'security.insecure_connection_icon.pbmode.enabled', + 'security.insecure_connection_text.pbmode.enabled', + 'webgl.dxgl.enabled', + /* 61-68 */ + 'app.update.service.enabled', + 'app.update.silent', + 'app.update.staging.enabled', + 'browser.cache.disk.capacity', + 'browser.cache.disk.smart_size.enabled', + 'browser.cache.disk.smart_size.first_run', + 'browser.cache.offline.insecure.enable', + 'browser.contentblocking.enabled', + 'browser.eme.ui.enabled', + 'browser.laterrun.enabled', + 'browser.offline-apps.notify', + 'browser.rights.3.shown', + 'browser.safebrowsing.blockedURIs.enabled', + 'browser.safebrowsing.downloads.remote.block_dangerous', + 'browser.safebrowsing.downloads.remote.block_dangerous_host', + 'browser.safebrowsing.provider.google.gethashURL', + 'browser.safebrowsing.provider.google.reportMalwareMistakeURL', + 'browser.safebrowsing.provider.google.reportPhishMistakeURL', + 'browser.safebrowsing.provider.google.reportURL', + 'browser.safebrowsing.provider.google.updateURL', + 'browser.safebrowsing.provider.google4.dataSharing.enabled', + 'browser.safebrowsing.provider.google4.dataSharingURL', + 'browser.safebrowsing.provider.google4.gethashURL', + 'browser.safebrowsing.provider.google4.reportMalwareMistakeURL', + 'browser.safebrowsing.provider.google4.reportPhishMistakeURL', + 'browser.safebrowsing.provider.google4.reportURL', + 'browser.safebrowsing.provider.google4.updateURL', + 'browser.safebrowsing.provider.mozilla.gethashURL', + 'browser.safebrowsing.provider.mozilla.updateURL', + 'browser.safebrowsing.reportPhishURL', + 'browser.sessionhistory.max_total_viewers', + 'browser.sessionstore.max_windows_undo', + 'browser.slowStartup.maxSamples', + 'browser.slowStartup.notificationDisabled', + 'browser.slowStartup.samples', + 'browser.storageManager.enabled', + 'browser.urlbar.autoFill.typed', + 'browser.urlbar.filter.javascript', + 'browser.urlbar.maxHistoricalSearchSuggestions', + 'browser.urlbar.userMadeSearchSuggestionsChoice', + 'canvas.capturestream.enabled', + 'dom.allow_scripts_to_close_windows', + 'dom.disable_window_flip', + 'dom.forms.datetime', + 'dom.imagecapture.enabled', + 'dom.popup_maximum', + 'extensions.webextensions.keepStorageOnUninstall', + 'extensions.webextensions.keepUuidOnUninstall', + 'font.blacklist.underline_offset', + 'font.name.monospace.x-unicode', + 'font.name.monospace.x-western', + 'font.name.sans-serif.x-unicode', + 'font.name.sans-serif.x-western', + 'font.name.serif.x-unicode', + 'font.name.serif.x-western', + 'gfx.offscreencanvas.enabled', + 'javascript.options.shared_memory', + 'layout.css.font-loading-api.enabled', + 'media.gmp-gmpopenh264.autoupdate', + 'media.gmp-gmpopenh264.enabled', + 'media.gmp-manager.updateEnabled', + 'media.gmp-manager.url', + 'media.gmp-manager.url.override', + 'media.gmp-widevinecdm.autoupdate', + 'media.gmp.trial-create.enabled', + 'media.navigator.video.enabled', + 'media.peerconnection.ice.tcp', + 'media.peerconnection.identity.enabled', + 'media.peerconnection.identity.timeout', + 'media.peerconnection.turn.disable', + 'media.peerconnection.use_document_iceservers', + 'media.peerconnection.video.enabled', + 'network.auth.subresource-img-cross-origin-http-auth-allow', + 'network.cookie.leave-secure-alone', + 'network.cookie.same-site.enabled', + 'network.dnsCacheEntries', + 'network.dnsCacheExpiration', + 'network.http.fast-fallback-to-IPv4', + 'network.proxy.autoconfig_url.include_path', + 'offline-apps.quota.warn', + 'pdfjs.enableWebGL', + 'plugin.default.state', + 'plugin.defaultXpi.state', + 'plugin.scan.plid.all', + 'privacy.trackingprotection.annotate_channels', + 'privacy.trackingprotection.lower_network_priority', + 'privacy.trackingprotection.pbmode.enabled', + 'privacy.trackingprotection.ui.enabled', + 'security.data_uri.block_toplevel_data_uri_navigations', + 'security.insecure_field_warning.contextual.enabled', + 'security.insecure_password.ui.enabled', + 'security.tls.version.fallback-limit', + 'services.blocklist.addons.collection', + 'services.blocklist.gfx.collection', + 'services.blocklist.onecrl.collection', + 'services.blocklist.plugins.collection', + 'services.blocklist.signing.enforced', + 'services.blocklist.update_enabled', + 'signon.autofillForms.http', + 'signon.storeWhenAutocompleteOff', + 'toolkit.telemetry.cachedClientID', + 'urlclassifier.trackingTable', + 'xpinstall.whitelist.required', + /* 60 or lower */ + 'browser.migrate.automigrate.enabled', + 'browser.search.geoip.timeout', + 'browser.search.reset.enabled', + 'browser.search.reset.whitelist', + 'browser.stopReloadAnimation.enabled', + 'browser.tabs.insertRelatedAfterCurrent', + 'browser.tabs.loadDivertedInBackground', + 'browser.tabs.loadInBackground', + 'browser.tabs.selectOwnerOnClose', + 'browser.urlbar.clickSelectsAll', + 'browser.urlbar.doubleClickSelectsAll', + 'device.storage.enabled', + 'dom.keyboardevent.dispatch_during_composition', + 'dom.presentation.controller.enabled', + 'dom.presentation.discoverable', + 'dom.presentation.discovery.enabled', + 'dom.presentation.enabled', + 'dom.presentation.receiver.enabled', + 'dom.presentation.session_transport.data_channel.enable', + 'dom.vr.oculus.enabled', + 'dom.vr.openvr.enabled', + 'dom.vr.osvr.enabled', + 'extensions.pocket.api', + 'extensions.pocket.oAuthConsumerKey', + 'extensions.pocket.site', + 'general.useragent.compatMode.firefox', + 'geo.wifi.xhr.timeout', + 'gfx.layerscope.enabled', + 'media.flac.enabled', + 'media.mediasource.enabled', + 'media.mediasource.mp4.enabled', + 'media.mediasource.webm.audio.enabled', + 'media.mediasource.webm.enabled', + 'media.mp4.enabled', + 'media.ogg.enabled', + 'media.ogg.flac.enabled', + 'media.opus.enabled', + 'media.raw.enabled', + 'media.wave.enabled', + 'media.webm.enabled', + 'media.webspeech.recognition.enable', + 'media.wmf.amd.vp9.enabled', + 'media.wmf.enabled', + 'media.wmf.vp9.enabled', + 'network.dns.blockDotOnion', + 'network.stricttransportsecurity.preloadlist', + 'security.block_script_with_wrong_mime', + 'security.fileuri.strict_origin_policy', + 'security.sri.enable', + 'services.sync.enabled', + 'ui.submenuDelay', + 'webextensions.storage.sync.enabled', + 'webextensions.storage.sync.serverURL', + // excluding these e10 settings + // 'browser.tabs.remote.autostart', + // 'browser.tabs.remote.autostart.2', + // 'browser.tabs.remote.force-enable', + // 'browser.tabs.remote.separateFileUriProcess', + // 'extensions.e10sBlocksEnabling', + // 'extensions.webextensions.remote', + // 'dom.ipc.processCount', + // 'dom.ipc.shims.enabledWarnings', + // 'dom.ipc.processCount.extension', + // 'dom.ipc.processCount.file', + // 'security.sandbox.content.level', + // 'dom.ipc.plugins.sandbox-level.default', + // 'dom.ipc.plugins.sandbox-level.flash', + // 'security.sandbox.logging.enabled', + /* reset parrot: check your open about:config after running the script */ + '_user.js.parrot' + ]; + + console.clear(); + + let c = 0; + for (const sPname of aPREFS) { + if (Services.prefs.prefHasUserValue(sPname)) { + Services.prefs.clearUserPref(sPname); + if (!Services.prefs.prefHasUserValue(sPname)) { + console.info('reset', sPname); + c++; + } else console.warn('failed to reset', sPname); + } + } + + focus(); + + const d = (c==1) ? ' pref' : ' prefs'; + alert(c ? 'successfully reset ' + c + d + "\n\nfor details check the console" : 'nothing to reset'); + + return 'all done'; + +})(); diff --git a/updater.bat b/updater.bat index bc1078a..a806ca6 100644 --- a/updater.bat +++ b/updater.bat @@ -3,10 +3,10 @@ TITLE arkenfox user.js updater REM ## arkenfox user.js updater for Windows REM ## author: @claustromaniac -REM ## version: 4.20 -REM ## instructions: https://github.com/arkenfox/user.js/wiki/5.1-Updater-[Options]#-windows +REM ## version: 4.14 +REM ## instructions: https://github.com/arkenfox/user.js/wiki/3.3-Updater-Scripts -SET v=4.19 +SET v=4.14 VERIFY ON CD /D "%~dp0" @@ -23,6 +23,7 @@ IF /I "%~1"=="-merge" (SET _merge=1) IF /I "%~1"=="-updatebatch" (SET _updateb=1) IF /I "%~1"=="-singlebackup" (SET _singlebackup=1) IF /I "%~1"=="-esr" (SET _esr=1) +IF /I "%~1"=="-rfpalts" (SET _rfpalts=1) SHIFT GOTO parse :endparse @@ -140,6 +141,10 @@ IF EXIST user.js.new (DEL /F "user.js.new") CALL :message "Retrieving latest user.js file from github repository..." CALL :psdownload https://raw.githubusercontent.com/arkenfox/user.js/master/user.js "user.js.new" IF EXIST user.js.new ( + IF DEFINED _rfpalts ( + CALL :message "Activating RFP Alternatives section..." + CALL :activate user.js.new "[SETUP-non-RFP]" + ) IF DEFINED _esr ( CALL :message "Activating ESR section..." CALL :activate user.js.new ".x still uses all the following prefs" @@ -177,8 +182,8 @@ IF EXIST user.js.new ( IF DEFINED _singlebackup ( MOVE /Y user.js user.js.bak >nul ) ELSE ( - FOR /F "delims=" %%# IN ('powershell -command get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%# - MOVE /Y user.js "user-backup-!ldt!.js" >nul + SET "_time=!time: =0!" + MOVE /Y user.js "user-backup-!date:/=-!_!_time::=.!.js" >nul ) REN user.js.new user.js CALL :message "Update complete." @@ -315,6 +320,8 @@ ECHO: Run without user input. CALL :message " -singleBackup" ECHO: Use a single backup file and overwrite it on new updates, instead of ECHO: cumulative backups. This was the default behaviour before v4.3. +CALL :message " -rfpAlts" +ECHO: Activate RFP Alternatives section CALL :message " -updateBatch" ECHO: Update the script itself on execution, before the normal routine. CALL :message "" diff --git a/updater.sh b/updater.sh index 72c77fc..a1f7070 100755 --- a/updater.sh +++ b/updater.sh @@ -2,18 +2,12 @@ ## arkenfox user.js updater for macOS and Linux -## version: 4.0 +## version: 3.2 ## Author: Pat Johnson (@overdodactyl) -## Additional contributors: @earthlng, @ema-pe, @claustromaniac, @infinitewarp +## Additional contributors: @earthlng, @ema-pe, @claustromaniac ## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_updater() ) -# Check if running as root -if [ "${EUID:-"$(id -u)"}" -eq 0 ]; then - printf "You shouldn't run this with elevated privileges (such as with doas/sudo).\n" - exit 1 -fi - readonly CURRDIR=$(pwd) SCRIPT_FILE=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null) @@ -68,7 +62,7 @@ show_banner() { #### #### ############################################################################" echo -e "${NC}\n" - echo -e "Documentation for this script is available here: ${CYAN}https://github.com/arkenfox/user.js/wiki/5.1-Updater-[Options]#-maclinux${NC}\n" + echo -e "Documentation for this script is available here: ${CYAN}https://github.com/arkenfox/user.js/wiki/3.3-Updater-Scripts${NC}\n" } ######################### @@ -112,7 +106,7 @@ Optional Arguments: download_file() { # expects URL as argument ($1) declare -r tf=$(mktemp) - $DOWNLOAD_METHOD "${tf}" "$1" &>/dev/null && echo "$tf" || echo '' # return the temp-filename or empty string on error + $DOWNLOAD_METHOD "${tf}" "$1" && echo "$tf" || echo '' # return the temp-filename or empty string on error } open_file() { # expects one argument: file_path @@ -201,10 +195,10 @@ update_updater() { echo -e "There is a newer version of updater.sh available. ${RED}Update and execute Y/N?${NC}" read -p "" -n 1 -r echo -e "\n\n" - [[ $REPLY =~ ^[Yy]$ ]] || return 0 # Update available, but user chooses not to update + [[ $REPLY =~ ^[Nn]$ ]] && return 0 # Update available, but user chooses not to update fi else - return 0 # No update available + return 0 # No update available fi mv "${tmpfile}" "$SCRIPT_FILE" chmod u+x "$SCRIPT_FILE" @@ -259,7 +253,7 @@ update_userjs() { echo -e "This script will update to the latest user.js file and append any custom configurations from user-overrides.js. ${RED}Continue Y/N? ${NC}" read -p "" -n 1 -r echo -e "\n" - if ! [[ $REPLY =~ ^[Yy]$ ]]; then + if [[ $REPLY =~ ^[Nn]$ ]]; then echo -e "${RED}Process aborted${NC}" rm "$newfile" return 1 @@ -391,17 +385,6 @@ show_banner update_updater "$@" getProfilePath # updates PROFILE_PATH or exits on error -cd "$PROFILE_PATH" || exit 1 - -# Check if any files have the owner as root/wheel. -if [ -n "$(find ./ -user 0)" ]; then - printf 'It looks like this script was previously run with elevated privileges, -you will need to change ownership of the following files to your user:\n' - find . -user 0 - cd "$CURRDIR" - exit 1 -fi - -update_userjs +cd "$PROFILE_PATH" && update_userjs cd "$CURRDIR" diff --git a/user.js b/user.js index 08c51ca..c8f88fe 100644 --- a/user.js +++ b/user.js @@ -1,24 +1,25 @@ /****** -* name: arkenfox user.js -* date: 6 March 2025 -* version: 135 -* urls: https://github.com/arkenfox/user.js [repo] -* : https://arkenfox.github.io/gui/ [interactive] +* name: arkenfox user.js +* date: 23 November 2021 +* version 94 +* url: https://github.com/arkenfox/user.js * license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt * README: 1. Consider using Tor Browser if it meets your needs or fits your threat model - * https://2019.www.torproject.org/about/torusers.html - 2. Read the entire wiki + * https://www.torproject.org/about/torusers.html.en + 2. Required reading: Overview, Backing Up, Implementing, and Maintenance entries * https://github.com/arkenfox/user.js/wiki 3. If you skipped step 2, return to step 2 - 4. Make changes in a user-overrides.js + 4. Make changes * There are often trade-offs and conflicts between security vs privacy vs anti-tracking and these need to be balanced against functionality & convenience & breakage * Some site breakage and unintended consequences will happen. Everyone's experience will differ e.g. some user data is erased on exit (section 2800), change this to suit your needs * While not 100% definitive, search for "[SETUP" tags + e.g. third party images/videos not loading on some sites? check 1601 + * Take the wiki link in step 2 and read the Troubleshooting entry 5. Some tag info [SETUP-SECURITY] it's one item, read it [SETUP-WEB] can cause some websites to break @@ -27,45 +28,43 @@ * RELEASES: https://github.com/arkenfox/user.js/releases - * Use the arkenfox release that matches your Firefox version - - DON'T wait for arkenfox to update Firefox, nothing major changes these days - * Each release - - run prefsCleaner to reset prefs made inactive, including deprecated (9999) - * ESR - - It is recommended to not use the updater, or you will get a later version which may cause issues. - So you should manually append your overrides (and keep a copy), and manually update when you - change ESR releases (arkenfox is already past that release) - - If you decide to keep updating, then the onus is on you - also see section 9999 + * It is best to use the arkenfox release that is optimized for and matches your Firefox version + * EVERYONE: each release + - run prefsCleaner to reset prefs made inactive, including deprecated (9999s) + ESR91 + - If you are not using arkenfox v91... (not a definitive list) + - 9999: switch the appropriate deprecated section(s) back on * INDEX: 0100: STARTUP - 0200: GEOLOCATION + 0200: GEOLOCATION / LANGUAGE / LOCALE 0300: QUIETER FOX 0400: SAFE BROWSING 0600: BLOCK IMPLICIT OUTBOUND - 0700: DNS / DoH / PROXY / SOCKS + 0700: DNS / DoH / PROXY / SOCKS / IPv6 0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS 0900: PASSWORDS 1000: DISK AVOIDANCE 1200: HTTPS (SSL/TLS / OCSP / CERTS / HPKP) - 1600: REFERERS + 1400: FONTS + 1600: HEADERS / REFERERS 1700: CONTAINERS 2000: PLUGINS / MEDIA / WEBRTC + 2300: WEB WORKERS 2400: DOM (DOCUMENT OBJECT MODEL) 2600: MISCELLANEOUS - 2700: ETP (ENHANCED TRACKING PROTECTION) + 2700: PERSISTENT STORAGE 2800: SHUTDOWN & SANITIZING - 4000: FPP (fingerprintingProtection) - 4500: OPTIONAL RFP (resistFingerprinting) + 4000: FPI (FIRST PARTY ISOLATION) + 4500: RFP (RESIST FINGERPRINTING) 5000: OPTIONAL OPSEC 5500: OPTIONAL HARDENING 6000: DON'T TOUCH 7000: DON'T BOTHER - 8000: DON'T BOTHER: FINGERPRINTING - 8500: TELEMETRY - 9000: NON-PROJECT RELATED - 9999: DEPRECATED / RENAMED + 8000: DON'T BOTHER: NON-RFP + 9000: PERSONAL + 9999: DEPRECATED / REMOVED / LEGACY / RENAMED ******/ @@ -81,58 +80,135 @@ user_pref("browser.aboutConfig.showWarning", false); /*** [SECTION 0100]: STARTUP ***/ user_pref("_user.js.parrot", "0100 syntax error: the parrot's dead!"); +/* 0101: disable default browser check + * [SETTING] General>Startup>Always check if Firefox is your default browser ***/ +user_pref("browser.shell.checkDefaultBrowser", false); /* 0102: set startup page [SETUP-CHROME] * 0=blank, 1=home, 2=last visited page, 3=resume previous session - * [NOTE] Session Restore is cleared with history (2811+), and not used in Private Browsing mode + * [NOTE] Session Restore is cleared with history (2811, 2812), and not used in Private Browsing mode * [SETTING] General>Startup>Restore previous session ***/ user_pref("browser.startup.page", 0); /* 0103: set HOME+NEWWINDOW page - * about:home=Firefox Home (default, see 0105), custom URL, about:blank + * about:home=Activity Stream (default, see 0105), custom URL, about:blank * [SETTING] Home>New Windows and Tabs>Homepage and new windows ***/ user_pref("browser.startup.homepage", "about:blank"); /* 0104: set NEWTAB page - * true=Firefox Home (default, see 0105), false=blank page + * true=Activity Stream (default, see 0105), false=blank page * [SETTING] Home>New Windows and Tabs>New tabs ***/ user_pref("browser.newtabpage.enabled", false); -/* 0105: disable sponsored content on Firefox Home (Activity Stream) - * [SETTING] Home>Firefox Home Content ***/ -user_pref("browser.newtabpage.activity-stream.showSponsored", false); // [FF58+] -user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] Shortcuts>Sponsored shortcuts +user_pref("browser.newtab.preload", false); +/* 0105: disable some Activity Stream items + * Activity Stream is the default homepage/newtab based on metadata and browsing behavior + * [SETTING] Home>Firefox Home Content>... to show/hide what you want ***/ +user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false); +user_pref("browser.newtabpage.activity-stream.telemetry", false); +user_pref("browser.newtabpage.activity-stream.feeds.snippets", false); // [DEFAULT: false] +user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false); +user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false); +user_pref("browser.newtabpage.activity-stream.showSponsored", false); +user_pref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", false); // [FF66+] +user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] /* 0106: clear default topsites * [NOTE] This does not block you from adding your own ***/ user_pref("browser.newtabpage.activity-stream.default.sites", ""); -/*** [SECTION 0200]: GEOLOCATION ***/ +/*** [SECTION 0200]: GEOLOCATION / LANGUAGE / LOCALE ***/ user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely deceased!"); +/* 0201: use Mozilla geolocation service instead of Google if permission is granted [FF74+] + * Optionally enable logging to the console (defaults to false) ***/ +user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%"); + // user_pref("geo.provider.network.logging.enabled", true); // [HIDDEN PREF] /* 0202: disable using the OS's geolocation service ***/ user_pref("geo.provider.ms-windows-location", false); // [WINDOWS] user_pref("geo.provider.use_corelocation", false); // [MAC] -user_pref("geo.provider.use_geoclue", false); // [FF102+] [LINUX] +user_pref("geo.provider.use_gpsd", false); // [LINUX] +/* 0203: disable region updates + * [1] https://firefox-source-docs.mozilla.org/toolkit/modules/toolkit_modules/Region.html ***/ +user_pref("browser.region.network.url", ""); // [FF78+] +user_pref("browser.region.update.enabled", false); // [FF79+] +/* 0204: set search region + * [NOTE] May not be hidden if Firefox has changed your settings due to your region (0203) ***/ + // user_pref("browser.search.region", "US"); // [HIDDEN PREF] +/* 0210: set preferred language for displaying pages + * [SETTING] General>Language and Appearance>Language>Choose your preferred language... + * [TEST] https://addons.mozilla.org/about ***/ +user_pref("intl.accept_languages", "en-US, en"); +/* 0211: use US English locale regardless of the system locale + * [SETUP-WEB] May break some input methods e.g xim/ibus for CJK languages [1] + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=867501,1629630 ***/ +user_pref("javascript.use_us_english_locale", true); // [HIDDEN PREF] /*** [SECTION 0300]: QUIETER FOX ***/ user_pref("_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!"); +/** UPDATES ***/ +/* 0301: disable auto-INSTALLING Firefox updates [NON-WINDOWS] + * [NOTE] You will still get prompts to update, and should do so in a timely manner + * [SETTING] General>Firefox Updates>Check for updates but let you choose to install them ***/ +user_pref("app.update.auto", false); +/* 0302: disable auto-INSTALLING Firefox updates via a background service [FF90+] [WINDOWS] + * [SETTING] General>Firefox Updates>Automatically install updates>When Firefox is not running + * [1] https://support.mozilla.org/kb/enable-background-updates-firefox-windows ***/ +user_pref("app.update.background.scheduling.enabled", false); +/* 0303: disable auto-CHECKING for extension and theme updates ***/ + // user_pref("extensions.update.enabled", false); +/* 0304: disable auto-INSTALLING extension and theme updates (after the check in 0303) + * [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle) ***/ + // user_pref("extensions.update.autoUpdateDefault", false); +/* 0305: disable extension metadata + * used when installing/updating an extension, and in daily background update checks: + * when false, extension detail tabs will have no description ***/ + // user_pref("extensions.getAddons.cache.enabled", false); +/* 0306: disable search engine updates (e.g. OpenSearch) + * [NOTE] This does not affect Mozilla's built-in or Web Extension search engines ***/ +user_pref("browser.search.update", false); + /** RECOMMENDATIONS ***/ /* 0320: disable recommendation pane in about:addons (uses Google Analytics) ***/ user_pref("extensions.getAddons.showPane", false); // [HIDDEN PREF] /* 0321: disable recommendations in about:addons' Extensions and Themes panes [FF68+] ***/ user_pref("extensions.htmlaboutaddons.recommendations.enabled", false); /* 0322: disable personalized Extension Recommendations in about:addons and AMO [FF65+] - * [NOTE] This pref has no effect when Health Reports (8501) are disabled - * [SETTING] Privacy & Security>Firefox Data Collection and Use>Allow personalized extension recommendations + * [NOTE] This pref has no effect when Health Reports (0331) are disabled + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to make personalized extension recommendations * [1] https://support.mozilla.org/kb/personalized-extension-recommendations ***/ user_pref("browser.discovery.enabled", false); -/* 0323: disable shopping experience [FF116+] - * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1840156#c0 ***/ -user_pref("browser.shopping.experience2023.enabled", false); // [DEFAULT: false] /** TELEMETRY ***/ -/* 0335: disable Firefox Home (Activity Stream) telemetry ***/ -user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false); -user_pref("browser.newtabpage.activity-stream.telemetry", false); +/* 0330: disable new data submission [FF41+] + * If disabled, no policy is shown or upload takes place, ever + * [1] https://bugzilla.mozilla.org/1195552 ***/ +user_pref("datareporting.policy.dataSubmissionEnabled", false); +/* 0331: disable Health Reports + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical... data ***/ +user_pref("datareporting.healthreport.uploadEnabled", false); +/* 0332: disable telemetry + * The "unified" pref affects the behaviour of the "enabled" pref + * - If "unified" is false then "enabled" controls the telemetry module + * - If "unified" is true then "enabled" only controls whether to record extended data + * [NOTE] "toolkit.telemetry.enabled" is now LOCKED to reflect prerelease (true) or release builds (false) [2] + * [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html + * [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/ +user_pref("toolkit.telemetry.unified", false); +user_pref("toolkit.telemetry.enabled", false); // see [NOTE] +user_pref("toolkit.telemetry.server", "data:,"); +user_pref("toolkit.telemetry.archive.enabled", false); +user_pref("toolkit.telemetry.newProfilePing.enabled", false); // [FF55+] +user_pref("toolkit.telemetry.shutdownPingSender.enabled", false); // [FF55+] +user_pref("toolkit.telemetry.updatePing.enabled", false); // [FF56+] +user_pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter +user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+] +/* 0333: disable Telemetry Coverage + * [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/ +user_pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF] +user_pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF] +user_pref("toolkit.coverage.endpoint.base", ""); +/* 0334: disable PingCentre telemetry (used in several System Add-ons) [FF57+] + * Defense-in-depth: currently covered by 0331 ***/ +user_pref("browser.ping-centre.telemetry", false); /** STUDIES ***/ /* 0340: disable Studies - * [SETTING] Privacy & Security>Firefox Data Collection and Use>Install and run studies ***/ + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to install and run studies ***/ user_pref("app.shield.optoutstudies.enabled", false); /* 0341: disable Normandy/Shield [FF60+] * Shield is a telemetry system that can push and test "recipes" @@ -146,7 +222,7 @@ user_pref("breakpad.reportURL", ""); user_pref("browser.tabs.crashReporting.sendReport", false); // [FF44+] // user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false] /* 0351: enforce no submission of backlogged Crash Reports [FF58+] - * [SETTING] Privacy & Security>Firefox Data Collection and Use>Send backlogged crash reports ***/ + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports ***/ user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false] /** OTHER ***/ @@ -157,6 +233,9 @@ user_pref("network.captive-portal-service.enabled", false); // [FF52+] /* 0361: disable Network Connectivity checks [FF65+] * [1] https://bugzilla.mozilla.org/1460537 ***/ user_pref("network.connectivity-service.enabled", false); +/* 0362: enforce disabling of Web Compatibility Reporter [FF56+] + * Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla ***/ +user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false] /*** [SECTION 0400]: SAFE BROWSING (SB) SB has taken many steps to preserve privacy. If required, a full url is never sent @@ -167,7 +246,6 @@ user_pref("network.connectivity-service.enabled", false); [1] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/ [2] https://wiki.mozilla.org/Security/Safe_Browsing [3] https://support.mozilla.org/kb/how-does-phishing-and-malware-protection-work - [4] https://educatedguesswork.org/posts/safe-browsing-privacy/ ***/ user_pref("_user.js.parrot", "0400 syntax error: the parrot's passed on!"); /* 0401: disable SB (Safe Browsing) @@ -183,16 +261,16 @@ user_pref("_user.js.parrot", "0400 syntax error: the parrot's passed on!"); * To verify the safety of certain executable files, Firefox may submit some information about the * file, including the name, origin, size and a cryptographic hash of the contents, to the Google * Safe Browsing service which helps Firefox determine whether or not the file should be blocked - * [SETUP-SECURITY] If you do not understand this, or you want this protection, then override this ***/ + * [SETUP-SECURITY] If you do not understand this, or you want this protection, then override it ***/ user_pref("browser.safebrowsing.downloads.remote.enabled", false); - // user_pref("browser.safebrowsing.downloads.remote.url", ""); // Defense-in-depth +user_pref("browser.safebrowsing.downloads.remote.url", ""); /* 0404: disable SB checks for unwanted software * [SETTING] Privacy & Security>Security>... "Warn you about unwanted and uncommon software" ***/ // user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false); // user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false); /* 0405: disable "ignore this warning" on SB warnings [FF45+] * If clicked, it bypasses the block for that session. This is a means for admins to enforce SB - * [TEST] see https://github.com/arkenfox/user.js/wiki/Appendix-A-Test-Sites#-mozilla + * [TEST] see github wiki APPENDIX A: Test Sites: Section 5 * [1] https://bugzilla.mozilla.org/1226490 ***/ // user_pref("browser.safebrowsing.allowOverride", false); @@ -204,21 +282,30 @@ user_pref("network.prefetch-next", false); /* 0602: disable DNS prefetching * [1] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/ user_pref("network.dns.disablePrefetch", true); -user_pref("network.dns.disablePrefetchFromHTTPS", true); + // user_pref("network.dns.disablePrefetchFromHTTPS", true); // [DEFAULT: true] /* 0603: disable predictor / prefetching ***/ user_pref("network.predictor.enabled", false); -user_pref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false] + // user_pref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false] /* 0604: disable link-mouseover opening connection to linked server * [1] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests ***/ user_pref("network.http.speculative-parallel-limit", 0); -/* 0605: disable mousedown speculative connections on bookmarks and history [FF98+] ***/ -user_pref("browser.places.speculativeConnect.enabled", false); -/* 0610: enforce no "Hyperlink Auditing" (click tracking) +/* 0605: enforce no "Hyperlink Auditing" (click tracking) * [1] https://www.bleepingcomputer.com/news/software/major-browsers-to-prevent-disabling-of-click-tracking-privacy-risk/ ***/ // user_pref("browser.send_pings", false); // [DEFAULT: false] -/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS ***/ +/*** [SECTION 0700]: DNS / DoH / PROXY / SOCKS / IPv6 ***/ user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!"); +/* 0701: disable IPv6 + * IPv6 can be abused, especially with MAC addresses, and can leak with VPNs: assuming + * your ISP and/or router and/or website is IPv6 capable. Most sites will fall back to IPv4 + * [STATS] Firefox telemetry (July 2021) shows ~10% of all connections are IPv6 + * [NOTE] This is an application level fallback. Disabling IPv6 is best done at an + * OS/network level, and/or configured properly in VPN setups. If you are not masking your IP, + * then this won't make much difference. If you are masking your IP, then it can only help. + * [NOTE] PHP defaults to IPv6 with "localhost". Use "php -S 127.0.0.1:PORT" + * [TEST] https://ipleak.org/ + * [1] https://www.internetsociety.org/tag/ipv6-security/ (Myths 2,4,5,6) ***/ +user_pref("network.dns.disableIPv6", true); /* 0702: set the proxy server to do any DNS lookups when using SOCKS * e.g. in Tor, this stops your local DNS server from knowing your Tor destination * as a remote Tor node will handle the DNS request @@ -226,91 +313,92 @@ user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost user_pref("network.proxy.socks_remote_dns", true); /* 0703: disable using UNC (Uniform Naming Convention) paths [FF61+] * [SETUP-CHROME] Can break extensions for profiles on network shares - * [1] https://bugzilla.mozilla.org/1413868 ***/ + * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/26424 ***/ user_pref("network.file.disable_unc_paths", true); // [HIDDEN PREF] -/* 0704: disable GIO as a potential proxy bypass vector - * Gvfs/GIO has a set of supported protocols like obex, network, archive, computer, - * dav, cdda, gphoto2, trash, etc. From FF87-117, by default only sftp was accepted +/* 0704: disable GIO as a potential proxy bypass vector [FF60+] + * Gvfs/GIO has a set of supported protocols like obex, network, archive, computer, dav, cdda, + * gphoto2, trash, etc. By default only smb and sftp protocols are accepted so far (as of FF64) * [1] https://bugzilla.mozilla.org/1433507 * [2] https://en.wikipedia.org/wiki/GVfs * [3] https://en.wikipedia.org/wiki/GIO_(software) ***/ -user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF] [DEFAULT: ""] +user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF] /* 0705: disable proxy direct failover for system requests [FF91+] * [WARNING] Default true is a security feature against malicious extensions [1] * [SETUP-CHROME] If you use a proxy and you trust your extensions * [1] https://blog.mozilla.org/security/2021/10/25/securing-the-proxy-api-for-firefox-add-ons/ ***/ // user_pref("network.proxy.failover_direct", false); -/* 0706: disable proxy bypass for system request failures [FF95+] - * RemoteSettings, UpdateService, Telemetry [1] - * [WARNING] If false, this will break the fallback for some security features - * [SETUP-CHROME] If you use a proxy and you understand the security impact - * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1732792,1733994,1733481 ***/ - // user_pref("network.proxy.allow_bypass", false); -/* 0710: enable DNS-over-HTTPS (DoH) [FF60+] - * 0=default, 2=increased (TRR (Trusted Recursive Resolver) first), 3=max (TRR only), 5=off (no rollout) - * see "doh-rollout.home-region": USA 2019, Canada 2021, Russia/Ukraine 2022 [3] - * [SETTING] Privacy & Security>DNS over HTTPS +/* 0710: disable DNS-over-HTTPS (DoH) rollout [FF60+] + * 0=off by default, 2=TRR (Trusted Recursive Resolver) first, 3=TRR only, 5=explicitly off + * see "doh-rollout.home-region": USA Feb 2020, Canada July 2021 [3] * [1] https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/ * [2] https://wiki.mozilla.org/Security/DOH-resolver-policy - * [3] https://support.mozilla.org/kb/firefox-dns-over-https + * [3] https://blog.mozilla.org/mozilla/news/firefox-by-default-dns-over-https-rollout-in-canada/ * [4] https://www.eff.org/deeplinks/2020/12/dns-doh-and-odoh-oh-my-year-review-2020 ***/ - // user_pref("network.trr.mode", 3); -/* 0712: set DoH provider - * The custom uri is the value shown when you "Choose provider>Custom>" - * [NOTE] If you USE custom then "network.trr.uri" should be set the same - * [SETTING] Privacy & Security>DNS over HTTPS>Increased/Max>Choose provider ***/ - // user_pref("network.trr.uri", "https://example.dns"); - // user_pref("network.trr.custom_uri", "https://example.dns"); + // user_pref("network.trr.mode", 5); /*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS ***/ user_pref("_user.js.parrot", "0800 syntax error: the parrot's ceased to be!"); -/* 0801: disable location bar making speculative connections [FF56+] - * [1] https://bugzilla.mozilla.org/1348275 ***/ -user_pref("browser.urlbar.speculativeConnect.enabled", false); -/* 0802: disable location bar contextual suggestions - * [NOTE] The UI is controlled by the .enabled pref - * [SETTING] Search>Address Bar>Suggestions from... - * [1] https://blog.mozilla.org/data/2021/09/15/data-and-firefox-suggest/ ***/ -user_pref("browser.urlbar.quicksuggest.enabled", false); // [FF92+] -user_pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false); // [FF95+] -user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false); // [FF92+] -/* 0803: disable live search suggestions - * [NOTE] Both must be true for live search to work in the location bar - * [SETUP-CHROME] Override these if you trust and use a privacy respecting search engine - * [SETTING] Search>Show search suggestions | Show search suggestions in address bar results ***/ +/* 0801: disable location bar using search + * Don't leak URL typos to a search engine, give an error message instead + * Examples: "secretplace,com", "secretplace/com", "secretplace com", "secret place.com" + * [NOTE] This does not affect explicit user action such as using search buttons in the + * dropdown, or using keyword search shortcuts you configure in options (e.g. "d" for DuckDuckGo) + * [SETUP-CHROME] If you don't, or rarely, type URLs, or you use a default search + * engine that respects privacy, then you probably don't need this ***/ +user_pref("keyword.enabled", false); +/* 0802: disable location bar domain guessing + * domain guessing intercepts DNS "hostname not found errors" and resends a + * request (e.g. by adding www or .com). This is inconsistent use (e.g. FQDNs), does not work + * via Proxy Servers (different error), is a flawed use of DNS (TLDs: why treat .com + * as the 411 for DNS errors?), privacy issues (why connect to sites you didn't + * intend to), can leak sensitive data (e.g. query strings: e.g. Princeton attack), + * and is a security risk (e.g. common typos & malicious sites set up to exploit this) ***/ +user_pref("browser.fixup.alternate.enabled", false); +/* 0803: display all parts of the url in the location bar ***/ +user_pref("browser.urlbar.trimURLs", false); +/* 0804: disable live search suggestions + * [NOTE] Both must be true for the location bar to work + * [SETUP-CHROME] Change these if you trust and use a privacy respecting search engine + * [SETTING] Search>Provide search suggestions | Show search suggestions in address bar results ***/ user_pref("browser.search.suggest.enabled", false); user_pref("browser.urlbar.suggest.searches", false); -/* 0805: disable urlbar trending search suggestions [FF118+] - * [SETTING] Search>Search Suggestions>Show trending search suggestions (FF119) ***/ -user_pref("browser.urlbar.trending.featureGate", false); -/* 0806: disable urlbar suggestions ***/ -user_pref("browser.urlbar.addons.featureGate", false); // [FF115+] -user_pref("browser.urlbar.fakespot.featureGate", false); // [FF130+] [DEFAULT: false] -user_pref("browser.urlbar.mdn.featureGate", false); // [FF117+] [HIDDEN PREF] -user_pref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false] -user_pref("browser.urlbar.weather.featureGate", false); // [FF108+] [DEFAULT: false] -user_pref("browser.urlbar.yelp.featureGate", false); // [FF124+] -/* 0807: disable urlbar clipboard suggestions [FF118+] ***/ - // user_pref("browser.urlbar.clipboard.featureGate", false); -/* 0808: disable recent searches [FF120+] - * [NOTE] Recent searches are cleared with history (2811+) - * [1] https://support.mozilla.org/kb/search-suggestions-firefox ***/ - // user_pref("browser.urlbar.recentsearches.featureGate", false); +/* 0805: disable location bar making speculative connections [FF56+] + * [1] https://bugzilla.mozilla.org/1348275 ***/ +user_pref("browser.urlbar.speculativeConnect.enabled", false); +/* 0806: disable location bar leaking single words to a DNS provider **after searching** [FF78+] + * 0=never resolve single words, 1=heuristic (default), 2=always resolve + * [1] https://bugzilla.mozilla.org/1642623 ***/ +user_pref("browser.urlbar.dnsResolveSingleWordsAfterSearch", 0); +/* 0807: disable location bar contextual suggestions [FF92+] + * [SETTING] Privacy & Security>Address Bar>Contextual Suggestions + * [1] https://blog.mozilla.org/data/2021/09/15/data-and-firefox-suggest/ ***/ +user_pref("browser.urlbar.suggest.quicksuggest", false); +user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false); +/* 0808: disable tab-to-search [FF85+] + * Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search + * [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest>Search engines ***/ + // user_pref("browser.urlbar.suggest.engines", false); /* 0810: disable search and form history - * [NOTE] We also clear formdata on exit (2811+) * [SETUP-WEB] Be aware that autocomplete form data can be read by third parties [1][2] + * [NOTE] We also clear formdata on exit (2811) * [SETTING] Privacy & Security>History>Custom Settings>Remember search and form history * [1] https://blog.mindedsecurity.com/2011/10/autocompleteagain.html * [2] https://bugzilla.mozilla.org/381681 ***/ user_pref("browser.formfill.enable", false); -/* 0815: disable tab-to-search [FF85+] - * Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search - * [SETTING] Search>Address Bar>When using the address bar, suggest>Search engines ***/ - // user_pref("browser.urlbar.suggest.engines", false); +/* 0811: disable Form Autofill + * [NOTE] Stored data is NOT secure (uses a JSON file) + * [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes + * [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses + * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/ +user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+] +user_pref("extensions.formautofill.available", "off"); // [FF56+] +user_pref("extensions.formautofill.creditCards.available", false); // [FF57+] +user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+] +user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+] /* 0820: disable coloring of visited links * [SETUP-HARDEN] Bulk rapid history sniffing was mitigated in 2010 [1][2]. Slower and more expensive * redraw timing attacks were largely mitigated in FF77+ [3]. Using RFP (4501) further hampers timing - * attacks. Don't forget clearing history on exit (2811+). However, social engineering [2#limits][4][5] + * attacks. Don't forget clearing history on exit (2811). However, social engineering [2#limits][4][5] * and advanced targeted timing attacks could still produce usable results * [1] https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector * [2] https://dbaron.org/mozilla/visited-privacy @@ -318,21 +406,21 @@ user_pref("browser.formfill.enable", false); * [4] https://earthlng.github.io/testpages/visited_links.html (see github wiki APPENDIX A on how to use) * [5] https://lcamtuf.blogspot.com/2016/08/css-mix-blend-mode-is-bad-for-keeping.html ***/ // user_pref("layout.css.visited_links_enabled", false); -/* 0830: enable separate default search engine in Private Windows and its UI setting - * [SETTING] Search>Default Search Engine>Choose a different default search engine for Private Windows only ***/ -user_pref("browser.search.separatePrivateDefault", true); // [FF70+] -user_pref("browser.search.separatePrivateDefault.ui.enabled", true); // [FF71+] /*** [SECTION 0900]: PASSWORDS [1] https://support.mozilla.org/kb/use-primary-password-protect-stored-logins-and-pas ***/ user_pref("_user.js.parrot", "0900 syntax error: the parrot's expired!"); +/* 0901: set when Firefox should prompt for the primary password + * 0=once per session (default), 1=every time it's needed, 2=after n minutes (0902) ***/ +user_pref("security.ask_for_password", 2); +/* 0902: set how long in minutes Firefox should remember the primary password (0901) ***/ +user_pref("security.password_lifetime", 5); // [DEFAULT: 30] /* 0903: disable auto-filling username & password form fields * can leak in cross-site forms *and* be spoofed * [NOTE] Username & password is still available when you enter the field * [SETTING] Privacy & Security>Logins and Passwords>Autofill logins and passwords - * [1] https://freedom-to-tinker.com/2017/12/27/no-boundaries-for-user-identities-web-trackers-exploit-browser-login-managers/ - * [2] https://homes.esat.kuleuven.be/~asenol/leaky-forms/ ***/ + * [1] https://freedom-to-tinker.com/2017/12/27/no-boundaries-for-user-identities-web-trackers-exploit-browser-login-managers/ ***/ user_pref("signon.autofillForms", false); /* 0904: disable formless login capture for Password Manager [FF51+] ***/ user_pref("signon.formlessCapture.enabled", false); @@ -345,29 +433,31 @@ user_pref("network.auth.subresource-http-auth-allow", 1); /* 0906: enforce no automatic authentication on Microsoft sites [FF91+] [WINDOWS 10+] * [SETTING] Privacy & Security>Logins and Passwords>Allow Windows single sign-on for... * [1] https://support.mozilla.org/kb/windows-sso ***/ - // user_pref("network.http.windows-sso.enabled", false); // [DEFAULT: false] -/* 0907: enforce no automatic authentication on Microsoft sites [FF131+] [MAC] - * On macOS, SSO only works on corporate devices ***/ - // user_pref("network.http.microsoft-entra-sso.enabled", false); // [DEFAULT: false] +user_pref("network.http.windows-sso.enabled", false); // [DEFAULT: false] /*** [SECTION 1000]: DISK AVOIDANCE ***/ user_pref("_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!"); /* 1001: disable disk cache - * [NOTE] We also clear cache on exit (2811+) - * [SETUP-CHROME] If you think disk cache helps perf, then feel free to override this ***/ + * [SETUP-CHROME] If you think disk cache helps perf, then feel free to override this + * [NOTE] We also clear cache on exit (2811) ***/ user_pref("browser.cache.disk.enable", false); -/* 1002: set media cache in Private Browsing to in-memory and increase its maximum size - * [NOTE] MSE (Media Source Extensions) are already stored in-memory in PB ***/ +/* 1002: disable media cache from writing to disk in Private Browsing + * [NOTE] MSE (Media Source Extensions) are already stored in-memory in PB + * [SETUP-WEB] ESR78: playback might break on subsequent loading (1650281) ***/ user_pref("browser.privatebrowsing.forceMediaMemoryCache", true); // [FF75+] user_pref("media.memory_cache_max_size", 65536); /* 1003: disable storing extra session data [SETUP-CHROME] * define on which sites to save extra session data such as form content, cookies and POST data * 0=everywhere, 1=unencrypted sites, 2=nowhere ***/ user_pref("browser.sessionstore.privacy_level", 2); +/* 1004: set the minimum interval between session save operations + * Increasing this can help on older machines and some websites, as well as reducing writes [1] + * [1] https://bugzilla.mozilla.org/1304389 ***/ +user_pref("browser.sessionstore.interval", 30000); // [DEFAULT: 15000] /* 1005: disable automatic Firefox start and session restore after reboot [FF62+] [WINDOWS] * [1] https://bugzilla.mozilla.org/603903 ***/ user_pref("toolkit.winRegisterApplicationRestart", false); -/* 1006: disable favicons in shortcuts [WINDOWS] +/* 1006: disable favicons in shortcuts * URL shortcuts use a cached randomly named .ico file which is stored in your * profile/shortcutCache directory. The .ico remains after the shortcut is deleted * If set to false then the shortcuts use a generic Firefox icon ***/ @@ -383,23 +473,22 @@ user_pref("browser.shell.shortcutFavicons", false); user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!"); /** SSL (Secure Sockets Layer) / TLS (Transport Layer Security) ***/ /* 1201: require safe negotiation - * Blocks connections to servers that don't support RFC 5746 [2] as they're potentially vulnerable to a - * MiTM attack [3]. A server without RFC 5746 can be safe from the attack if it disables renegotiations - * but the problem is that the browser can't know that. Setting this pref to true is the only way for the - * browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server - * [SETUP-WEB] SSL_ERROR_UNSAFE_NEGOTIATION: is it worth overriding this for that one site? - * [STATS] SSL Labs (May 2024) reports over 99.7% of top sites have secure renegotiation [4] + * Blocks connections (SSL_ERROR_UNSAFE_NEGOTIATION) to servers that don't support RFC 5746 [2] + * as they're potentially vulnerable to a MiTM attack [3]. A server without RFC 5746 can be + * safe from the attack if it disables renegotiations but the problem is that the browser can't + * know that. Setting this pref to true is the only way for the browser to ensure there will be + * no unsafe renegotiations on the channel between the browser and the server. + * [STATS] SSL Labs (July 2021) reports over 99% of sites have secure renegotiation [4] * [1] https://wiki.mozilla.org/Security:Renegotiation - * [2] https://datatracker.ietf.org/doc/html/rfc5746 + * [2] https://tools.ietf.org/html/rfc5746 * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555 * [4] https://www.ssllabs.com/ssl-pulse/ ***/ user_pref("security.ssl.require_safe_negotiation", true); +/* 1203: reset TLS 1.0 and 1.1 downgrades i.e. session only ***/ +user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false] /* 1206: disable TLS1.3 0-RTT (round-trip time) [FF51+] - * This data is not forward secret, as it is encrypted solely under keys derived using - * the offered PSK. There are no guarantees of non-replay between connections * [1] https://github.com/tlswg/tls13-spec/issues/1001 - * [2] https://www.rfc-editor.org/rfc/rfc9001.html#name-replay-attacks-with-0-rtt - * [3] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/ + * [2] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/ user_pref("security.tls.enable_0rtt_data", false); /** OCSP (Online Certificate Status Protocol) @@ -414,48 +503,59 @@ user_pref("security.tls.enable_0rtt_data", false); * [SETTING] Privacy & Security>Security>Certificates>Query OCSP responder servers... * [1] https://en.wikipedia.org/wiki/Ocsp ***/ user_pref("security.OCSP.enabled", 1); // [DEFAULT: 1] -/* 1212: set OCSP fetch failures (non-stapled, see 1211) to hard-fail - * [SETUP-WEB] SEC_ERROR_OCSP_SERVER_ERROR | SEC_ERROR_OCSP_UNAUTHORIZED_REQUEST +/* 1212: set OCSP fetch failures (non-stapled, see 1211) to hard-fail [SETUP-WEB] * When a CA cannot be reached to validate a cert, Firefox just continues the connection (=soft-fail) * Setting this pref to true tells Firefox to instead terminate the connection (=hard-fail) * It is pointless to soft-fail when an OCSP fetch fails: you cannot confirm a cert is still valid (it * could have been revoked) and/or you could be under attack (e.g. malicious blocking of OCSP servers) * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ - * [2] https://www.imperialviolet.org/2014/04/19/revchecking.html - * [3] https://letsencrypt.org/2024/12/05/ending-ocsp/ ***/ + * [2] https://www.imperialviolet.org/2014/04/19/revchecking.html ***/ user_pref("security.OCSP.require", true); /** CERTS / HPKP (HTTP Public Key Pinning) ***/ -/* 1223: enable strict PKP (Public Key Pinning) - * 0=disabled, 1=allow user MiTM (default; such as your antivirus), 2=strict - * [SETUP-WEB] MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE ***/ +/* 1220: disable or limit SHA-1 certificates + * 0 = allow all + * 1 = block all + * 3 = only allow locally-added roots (e.g. anti-virus) (default) + * 4 = only allow locally-added roots or for certs in 2015 and earlier + * [SETUP-CHROME] If you have problems, update your software: SHA-1 is obsolete + * [1] https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ ***/ +user_pref("security.pki.sha1_enforcement_level", 1); +/* 1221: disable Windows 8.1's Microsoft Family Safety cert [FF50+] [WINDOWS] + * 0=disable detecting Family Safety mode and importing the root + * 1=only attempt to detect Family Safety mode (don't import the root) + * 2=detect Family Safety mode and import the root + * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/21686 ***/ +user_pref("security.family_safety.mode", 0); +/* 1223: enable strict pinning + * PKP (Public Key Pinning) 0=disabled, 1=allow user MiTM (such as your antivirus), 2=strict + * [SETUP-WEB] If you rely on an AV (antivirus) to protect your web browsing + * by inspecting ALL your web traffic, then leave at current default=1 + * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16206 ***/ user_pref("security.cert_pinning.enforcement_level", 2); /* 1224: enable CRLite [FF73+] - * 0 = disabled - * 1 = consult CRLite but only collect telemetry - * 2 = consult CRLite and enforce both "Revoked" and "Not Revoked" results - * 3 = consult CRLite and enforce "Not Revoked" results, but defer to OCSP for "Revoked" (default) - * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985,1753071 + * In FF84+ it covers valid certs and in mode 2 doesn't fall back to OCSP + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985 * [2] https://blog.mozilla.org/security/tag/crlite/ ***/ -user_pref("security.remote_settings.crlite_filters.enabled", true); // [DEFAULT: true FF137+] +user_pref("security.remote_settings.crlite_filters.enabled", true); user_pref("security.pki.crlite_mode", 2); /** MIXED CONTENT ***/ -/* 1241: disable insecure passive content (such as images) on https pages ***/ - // user_pref("security.mixed_content.block_display_content", true); // Defense-in-depth (see 1244) -/* 1244: enable HTTPS-Only mode in all windows +/* 1241: disable insecure passive content (such as images) on https pages [SETUP-WEB] ***/ +user_pref("security.mixed_content.block_display_content", true); +/* 1244: enable HTTPS-Only mode in all windows [FF76+] * When the top-level is HTTPS, insecure subresources are also upgraded (silent fail) * [SETTING] to add site exceptions: Padlock>HTTPS-Only mode>On (after "Continue to HTTP Site") * [SETTING] Privacy & Security>HTTPS-Only Mode (and manage exceptions) * [TEST] http://example.com [upgrade] - * [TEST] http://httpforever.com/ | http://http.rip [no upgrade] ***/ + * [TEST] http://neverssl.com/ [no upgrade] ***/ user_pref("dom.security.https_only_mode", true); // [FF76+] // user_pref("dom.security.https_only_mode_pbm", true); // [FF80+] /* 1245: enable HTTPS-Only mode for local resources [FF77+] ***/ // user_pref("dom.security.https_only_mode.upgrade_local", true); /* 1246: disable HTTP background requests [FF82+] - * When attempting to upgrade, if the server doesn't respond within 3 seconds, Firefox sends - * a top-level HTTP request without path in order to check if the server supports HTTPS or not + * When attempting to upgrade, if the server doesn't respond within 3 seconds, + * Firefox sends HTTP requests in order to check if the server supports HTTPS or not * This is done to avoid waiting for a timeout which takes 90 seconds * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1642387,1660945 ***/ user_pref("dom.security.https_only_mode_send_http_background_request", false); @@ -466,75 +566,188 @@ user_pref("dom.security.https_only_mode_send_http_background_request", false); * [1] https://wiki.mozilla.org/Security:Renegotiation * [2] https://bugzilla.mozilla.org/1353705 ***/ user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true); +/* 1271: control "Add Security Exception" dialog on SSL warnings + * 0=do neither, 1=pre-populate url, 2=pre-populate url + pre-fetch cert (default) + * [1] https://github.com/pyllyukko/user.js/issues/210 ***/ +user_pref("browser.ssl_override_behavior", 1); /* 1272: display advanced information on Insecure Connection warning pages * only works when it's possible to add an exception * i.e. it doesn't work for HSTS discrepancies (https://subdomain.preloaded-hsts.badssl.com/) * [TEST] https://expired.badssl.com/ ***/ user_pref("browser.xul.error_pages.expert_bad_cert", true); +/* 1273: display "Not Secure" text on HTTP sites ***/ +user_pref("security.insecure_connection_text.enabled", true); // [FF60+] -/*** [SECTION 1600]: REFERERS +/*** [SECTION 1400]: FONTS ***/ +user_pref("_user.js.parrot", "1400 syntax error: the parrot's bereft of life!"); +/* 1401: disable rendering of SVG OpenType fonts ***/ +user_pref("gfx.font_rendering.opentype_svg.enabled", false); +/* 1402: limit font visibility (Windows, Mac, some Linux) [FF94+] + * Uses hardcoded lists with two parts: kBaseFonts + kLangPackFonts [1], bundled fonts are auto-allowed + * In normal windows: uses the first applicable: RFP (4506) over TP over Standard + * In Private Browsing windows: uses the most restrictive between normal and private + * 1=only base system fonts, 2=also fonts from optional language packs, 3=also user-installed fonts + * [1] https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc ***/ + // user_pref("layout.css.font-visibility.private", 1); + // user_pref("layout.css.font-visibility.standard", 1); + // user_pref("layout.css.font-visibility.trackingprotection", 1); + +/*** [SECTION 1600]: HEADERS / REFERERS + Expect some breakage e.g. banks: use an extension if you need precise control full URI: https://example.com:8888/foo/bar.html?id=1234 scheme+host+port+path: https://example.com:8888/foo/bar.html scheme+host+port: https://example.com:8888 [1] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/ ***/ user_pref("_user.js.parrot", "1600 syntax error: the parrot rests in peace!"); +/* 1601: control when to send a cross-origin referer + * 0=always (default), 1=only if base domains match, 2=only if hosts match + * [SETUP-WEB] Known to cause issues with older modems/routers and some sites e.g vimeo, icloud, instagram ***/ +user_pref("network.http.referer.XOriginPolicy", 2); /* 1602: control the amount of cross-origin information to send [FF52+] * 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port ***/ user_pref("network.http.referer.XOriginTrimmingPolicy", 2); +/* 1603: enable the DNT (Do Not Track) HTTP header + * [NOTE] DNT is enforced with Enhanced Tracking Protection (2710) + * [SETTING] Privacy & Security>Enhanced Tracking Protection>Send websites a "Do Not Track" signal... ***/ + // user_pref("privacy.donottrackheader.enabled", true); -/*** [SECTION 1700]: CONTAINERS ***/ +/*** [SECTION 1700]: CONTAINERS + Check out Temporary Containers [2], read the article [3], and visit the wiki/repo [4] + [1] https://wiki.mozilla.org/Security/Contextual_Identity_Project/Containers + [2] https://addons.mozilla.org/firefox/addon/temporary-containers/ + [3] https://medium.com/@stoically/enhance-your-privacy-in-firefox-with-temporary-containers-33925cd6cd21 + [4] https://github.com/stoically/temporary-containers/wiki +***/ user_pref("_user.js.parrot", "1700 syntax error: the parrot's bit the dust!"); /* 1701: enable Container Tabs and its UI setting [FF50+] - * [SETTING] General>Tabs>Enable Container Tabs - * https://wiki.mozilla.org/Security/Contextual_Identity_Project/Containers ***/ + * [SETTING] General>Tabs>Enable Container Tabs ***/ user_pref("privacy.userContext.enabled", true); user_pref("privacy.userContext.ui.enabled", true); -/* 1702: set behavior on "+ Tab" button to display container menu on left click [FF74+] +/* 1702: set behaviour on "+ Tab" button to display container menu on left click [FF74+] * [NOTE] The menu is always shown on long press and right click * [SETTING] General>Tabs>Enable Container Tabs>Settings>Select a container for each new tab ***/ // user_pref("privacy.userContext.newTabContainerOnLeftClick.enabled", true); -/* 1703: set external links to open in site-specific containers [FF123+] - * [SETUP-WEB] Depending on your container extension(s) and their settings - * true=Firefox will not choose a container (so your extension can) - * false=Firefox will choose the container/no-container (default) - * [1] https://bugzilla.mozilla.org/1874599 ***/ - // user_pref("browser.link.force_default_user_context_id_for_external_opens", true); /*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/ user_pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!"); -/* 2002: force WebRTC inside the proxy [FF70+] ***/ -user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true); -/* 2003: force a single network interface for ICE candidates generation [FF42+] - * When using a system-wide proxy, it uses the proxy interface - * [1] https://developer.mozilla.org/docs/Web/API/RTCIceCandidate - * [2] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/ +/* 2001: disable WebRTC (Web Real-Time Communication) + * [SETUP-WEB] WebRTC can leak your private network address from behind your VPN, but if this + * is not your threat model, and you want Real-Time Communication, this is the pref for you ***/ +user_pref("media.peerconnection.enabled", false); +/* 2002: limit WebRTC private network address leaks + * In FF70+ these settings match Mode 4 (Mode 3 in older versions) [3] + * [TEST] https://browserleaks.com/webrtc + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1189041,1297416,1452713 + * [2] https://wiki.mozilla.org/Media/WebRTC/Privacy + * [3] https://tools.ietf.org/html/draft-ietf-rtcweb-ip-handling-12#section-5.2 ***/ user_pref("media.peerconnection.ice.default_address_only", true); -/* 2004: force exclusion of private IPs from ICE candidates [FF51+] - * [SETUP-HARDEN] This will protect your private IP even in TRUSTED scenarios after you - * grant device access, but often results in breakage on video-conferencing platforms ***/ - // user_pref("media.peerconnection.ice.no_host", true); +user_pref("media.peerconnection.ice.no_host", true); // [FF51+] +user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true); // [FF70+] /* 2020: disable GMP (Gecko Media Plugins) * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/ // user_pref("media.gmp-provider.enabled", false); +/* 2021: disable widevine CDM (Content Decryption Module) + * [NOTE] This is covered by the EME master switch (2022) ***/ + // user_pref("media.gmp-widevinecdm.enabled", false); +/* 2022: disable all DRM content (EME: Encryption Media Extension) + * [SETUP-WEB] e.g. Netflix, Amazon Prime, Hulu, HBO, Disney+, Showtime, Starz, DirectTV + * [SETTING] General>DRM Content>Play DRM-controlled content + * [TEST] https://bitmovin.com/demos/drm + * [1] https://www.eff.org/deeplinks/2017/10/drms-dead-canary-how-we-just-lost-web-what-we-learned-it-and-what-we-need-do-next ***/ +user_pref("media.eme.enabled", false); +/* 2030: disable autoplay of HTML5 media [FF63+] + * 0=Allow all, 1=Block non-muted media (default), 5=Block all + * [NOTE] You can set exceptions under site permissions + * [SETTING] Privacy & Security>Permissions>Autoplay>Settings>Default for all websites ***/ + // user_pref("media.autoplay.default", 5); +/* 2031: disable autoplay of HTML5 media if you interacted with the site [FF78+] + * 0=sticky (default), 1=transient, 2=user + * Firefox's Autoplay Policy Documentation [PDF] is linked below via SUMO + * [NOTE] If you have trouble with some video sites, then add an exception (2030) + * [1] https://support.mozilla.org/questions/1293231 ***/ +user_pref("media.autoplay.blocking_policy", 2); + +/*** [SECTION 2300]: WEB WORKERS + A worker is a JS "background task" running in a global context, i.e. it is different from + the current window. Workers can spawn new workers (must be the same origin & scheme), + including service and shared workers. Shared workers can be utilized by multiple scripts and + communicate between browsing contexts (windows/tabs/iframes) and can even control your cache. + + [1] Web Workers: https://developer.mozilla.org/docs/Web/API/Web_Workers_API + [2] Worker: https://developer.mozilla.org/docs/Web/API/Worker + [3] Service Worker: https://developer.mozilla.org/docs/Web/API/Service_Worker_API + [4] SharedWorker: https://developer.mozilla.org/docs/Web/API/SharedWorker + [5] ChromeWorker: https://developer.mozilla.org/docs/Web/API/ChromeWorker + [6] Notifications: https://support.mozilla.org/questions/1165867#answer-981820 +***/ +user_pref("_user.js.parrot", "2300 syntax error: the parrot's off the twig!"); +/* 2302: disable service workers [FF32, FF44-compat] + * Service workers essentially act as proxy servers that sit between web apps, and the + * browser and network, are event driven, and can control the web page/site they are associated + * with, intercepting and modifying navigation and resource requests, and caching resources. + * [NOTE] Service workers require HTTPS, have no DOM access, and are not supported in PB mode [1] + * [SETUP-WEB] Disabling service workers will break some sites. This pref is required true for + * service worker notifications (2304), push notifications (disabled, 2305) and service worker + * cache (2740). If you enable this pref, then check those settings as well + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1320796#c7 ***/ +user_pref("dom.serviceWorkers.enabled", false); +/* 2304: disable Web Notifications + * [NOTE] Web Notifications can also use service workers (2302) and are behind a prompt (7002) + * [1] https://developer.mozilla.org/docs/Web/API/Notifications_API ***/ + // user_pref("dom.webnotifications.enabled", false); // [FF22+] + // user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+] +/* 2305: disable Push Notifications [FF44+] + * Push is an API that allows websites to send you (subscribed) messages even when the site + * isn't loaded, by pushing messages to your userAgentID through Mozilla's Push Server + * [NOTE] Push requires service workers (2302) to subscribe to and display, and is behind + * a prompt (7002). Disabling service workers alone doesn't stop Firefox polling the + * Mozilla Push Server. To remove all subscriptions, reset your userAgentID. + * [1] https://support.mozilla.org/kb/push-notifications-firefox + * [2] https://developer.mozilla.org/docs/Web/API/Push_API ***/ +user_pref("dom.push.enabled", false); + // user_pref("dom.push.userAgentID", ""); /*** [SECTION 2400]: DOM (DOCUMENT OBJECT MODEL) ***/ user_pref("_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!"); +/* 2401: disable "Confirm you want to leave" dialog on page close + * Does not prevent JS leaks of the page close event + * [1] https://developer.mozilla.org/docs/Web/Events/beforeunload ***/ +user_pref("dom.disable_beforeunload", true); /* 2402: prevent scripts from moving and resizing open windows ***/ user_pref("dom.disable_window_move_resize", true); +/* 2403: block popup windows + * [SETTING] Privacy & Security>Permissions>Block pop-up windows ***/ +user_pref("dom.disable_open_during_load", true); +/* 2404: limit events that can cause a popup [SETUP-WEB] ***/ +user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown"); /*** [SECTION 2600]: MISCELLANEOUS ***/ user_pref("_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!"); -/* 2603: remove temp files opened from non-PB windows with an external application - * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=302433,1738574 ***/ -user_pref("browser.download.start_downloads_in_tmp_dir", true); // [FF102+] +/* 2601: prevent accessibility services from accessing your browser [RESTART] + * [1] https://support.mozilla.org/kb/accessibility-services ***/ +user_pref("accessibility.force_disabled", 1); +/* 2602: disable sending additional analytics to web servers + * [1] https://developer.mozilla.org/docs/Web/API/Navigator/sendBeacon ***/ +user_pref("beacon.enabled", false); +/* 2603: remove temp files opened with an external application + * [1] https://bugzilla.mozilla.org/302433 ***/ user_pref("browser.helperApps.deleteTempFileOnExit", true); +/* 2604: disable page thumbnail collection ***/ +user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF] /* 2606: disable UITour backend so there is no chance that a remote page can use it ***/ user_pref("browser.uitour.enabled", false); - // user_pref("browser.uitour.url", ""); // Defense-in-depth +user_pref("browser.uitour.url", ""); +/* 2607: disable various developer tools in browser context + * [SETTING] Devtools>Advanced Settings>Enable browser chrome and add-on debugging toolboxes + * [1] https://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/ +user_pref("devtools.chrome.enabled", false); /* 2608: reset remote debugging to disabled * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16222 ***/ user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: false] +/* 2611: disable middle mouse click opening links from clipboard + * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/10089 ***/ +user_pref("middlemouse.contentLoadURL", false); /* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+] * 0 (default) or 1=allow, 2=block * [SETTING] to add site exceptions: Ctrl+I>Permissions>Override Keyboard Shortcuts ***/ @@ -542,6 +755,8 @@ user_pref("devtools.debugger.remote-enabled", false); // [DEFAULT: false] /* 2616: remove special permissions for certain mozilla domains [FF35+] * [1] resource://app/defaults/permissions ***/ user_pref("permissions.manager.defaultsUrl", ""); +/* 2617: remove webchannel whitelist ***/ +user_pref("webchannel.allowObject.urlWhitelist", ""); /* 2619: use Punycode in Internationalized Domain Names to eliminate possible spoofing * [SETUP-WEB] Might be undesirable for non-latin alphabet users since legitimate IDN's are also punycoded * [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com) @@ -550,49 +765,43 @@ user_pref("permissions.manager.defaultsUrl", ""); * [3] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=punycode+firefox * [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/ user_pref("network.IDN_show_punycode", true); -/* 2620: enforce PDFJS, disable PDFJS scripting +/* 2620: enforce PDFJS, disable PDFJS scripting [SETUP-CHROME] * This setting controls if the option "Display in Firefox" is available in the setting below * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With") - * [WHY] pdfjs is lightweight, open source, and secure: the last exploit was June 2015 [1] + * PROS: pdfjs is lightweight, open source, and more secure/vetted than most + * Exploits are rare (one serious case in seven years), treated seriously and patched quickly. * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). * It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk. - * [NOTE] JS can still force a pdf to open in-browser by bundling its own code - * [SETUP-CHROME] You may prefer a different pdf reader for security/workflow reasons - * [SETTING] General>Applications>Portable Document Format (PDF) - * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=pdf.js+firefox ***/ + * CONS: You may prefer a different pdf reader for security reasons + * CAVEAT: JS can still force a pdf to open in-browser by bundling its own code + * [SETTING] General>Applications>Portable Document Format (PDF) ***/ user_pref("pdfjs.disabled", false); // [DEFAULT: false] user_pref("pdfjs.enableScripting", false); // [FF86+] -/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] */ -user_pref("browser.tabs.searchclipboardfor.middleclick", false); // [DEFAULT: false NON-LINUX] -/* 2630: disable content analysis by DLP (Data Loss Prevention) agents - * DLP agents are background processes on managed computers that allow enterprises to monitor locally running - * applications for data exfiltration events, which they can allow/block based on customer defined DLP policies. - * 0=Block all requests, 1=Warn on all requests (which lets the user decide), 2=Allow all requests - * [1] https://github.com/chromium/content_analysis_sdk */ -user_pref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false] -user_pref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0] +/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] ***/ +user_pref("network.protocol-handler.external.ms-windows-store", false); +/* 2623: disable permissions delegation [FF73+] + * Currently applies to cross-origin geolocation, camera, mic and screen-sharing + * permissions, and fullscreen requests. Disabling delegation means any prompts + * for these will show/use their correct 3rd party origin + * [1] https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion ***/ +user_pref("permissions.delegation.enabled", false); /** DOWNLOADS ***/ /* 2651: enable user interaction for security by always asking where to download * [SETUP-CHROME] On Android this blocks longtapping and saving images * [SETTING] General>Downloads>Always ask you where to save files ***/ user_pref("browser.download.useDownloadDir", false); -/* 2652: disable downloads panel opening on every download [FF96+] ***/ -user_pref("browser.download.alwaysOpenPanel", false); -/* 2653: disable adding downloads to the system's "recent documents" list ***/ +/* 2652: disable adding downloads to the system's "recent documents" list ***/ user_pref("browser.download.manager.addToRecentDocs", false); -/* 2654: enable user interaction for security by always asking how to handle new mimetypes [FF101+] - * [SETTING] General>Files and Applications>What should Firefox do with other files ***/ -user_pref("browser.download.always_ask_before_handling_new_types", true); /** EXTENSIONS ***/ -/* 2660: limit allowed extension directories - * 1=profile, 2=user, 4=application, 8=system, 16=temporary, 31=all - * The pref value represents the sum: e.g. 5 would be profile and application directories - * [SETUP-CHROME] Breaks usage of files which are installed outside allowed directories - * [1] https://archive.is/DYjAM ***/ +/* 2660: lock down allowed extension directories + * [SETUP-CHROME] This will break extensions, language packs, themes and any other + * XPI files which are installed outside of profile and application directories + * [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/ + * [1] https://archive.is/DYjAM (archived) ***/ user_pref("extensions.enabledScopes", 5); // [HIDDEN PREF] - // user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15] +user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15] /* 2661: disable bypassing 3rd party extension install prompts [FF82+] * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331 ***/ user_pref("extensions.postDownloadThirdPartyPrompt", false); @@ -600,138 +809,185 @@ user_pref("extensions.postDownloadThirdPartyPrompt", false); * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/ // user_pref("extensions.webextensions.restrictedDomains", ""); -/*** [SECTION 2700]: ETP (ENHANCED TRACKING PROTECTION) ***/ +/*** [SECTION 2700]: PERSISTENT STORAGE + Data SET by websites including + cookies : profile\cookies.sqlite + localStorage : profile\webappsstore.sqlite + indexedDB : profile\storage\default + serviceWorkers : + + [NOTE] indexedDB and serviceWorkers are not available in Private Browsing Mode + [NOTE] Blocking cookies also blocks websites access to: localStorage (incl. sessionStorage), + indexedDB, sharedWorker, and serviceWorker (and therefore service worker cache and notifications) + If you set a site exception for cookies (either "Allow" or "Allow for Session") then they become + accessible to websites except shared/service workers where the cookie setting must be "Allow" +***/ user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!"); -/* 2701: enable ETP Strict Mode [FF86+] - * ETP Strict Mode enables Total Cookie Protection (TCP) - * [NOTE] Adding site exceptions disables all ETP protections for that site and increases the risk of - * cross-site state tracking e.g. exceptions for SiteA and SiteB means PartyC on both sites is shared - * [1] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/ +/* 2701: disable or isolate 3rd-party cookies and site-data [SETUP-WEB] + * 0 = Accept cookies and site data + * 1 = (Block) All third-party cookies + * 2 = (Block) All cookies + * 3 = (Block) Cookies from unvisited websites + * 4 = (Block) Cross-site tracking cookies (default) + * 5 = (Isolate All) Cross-site cookies (TCP: Total Cookie Protection / dFPI: dynamic FPI) [1] (FF86+) + * Option 5 with FPI enabled (4001) is ignored and not shown, and option 4 used instead + * [NOTE] You can set cookie exceptions under site permissions or use an extension + * [NOTE] Enforcing category to custom ensures ETP related prefs are always honored + * [SETTING] Privacy & Security>Enhanced Tracking Protection>Custom>Cookies + * [1] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/ ***/ +user_pref("network.cookie.cookieBehavior", 1); +user_pref("browser.contentblocking.category", "custom"); +/* 2710: enable Enhanced Tracking Protection (ETP) in all windows + * [SETTING] Privacy & Security>Enhanced Tracking Protection>Custom>Tracking content * [SETTING] to add site exceptions: Urlbar>ETP Shield * [SETTING] to manage site exceptions: Options>Privacy & Security>Enhanced Tracking Protection>Manage Exceptions ***/ -user_pref("browser.contentblocking.category", "strict"); // [HIDDEN PREF] -/* 2702: disable ETP web compat features [FF93+] - * [SETUP-HARDEN] Includes skip lists, heuristics (SmartBlock) and automatic grants - * Opener and redirect heuristics are granted for 30 days, see [3] - * [1] https://blog.mozilla.org/security/2021/07/13/smartblock-v2/ - * [2] https://hg.mozilla.org/mozilla-central/rev/e5483fd469ab#l4.12 - * [3] https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/ - // user_pref("privacy.antitracking.enableWebcompat", false); +user_pref("privacy.trackingprotection.enabled", true); +/* 2711: enable various ETP lists ***/ +user_pref("privacy.trackingprotection.socialtracking.enabled", true); + // user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true] + // user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true] +/* 2740: disable service worker cache and cache storage + * [NOTE] We clear service worker cache on exit (2811) + * [1] https://w3c.github.io/ServiceWorker/#privacy ***/ + // user_pref("dom.caches.enabled", false); +/* 2750: disable Storage API [FF51+] + * The API gives sites the ability to find out how much space they can use, how much + * they are already using, and even control whether or not they need to be alerted + * before the user agent disposes of site data in order to make room for other things. + * [1] https://developer.mozilla.org/docs/Web/API/StorageManager + * [2] https://developer.mozilla.org/docs/Web/API/Storage_API + * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/ + // user_pref("dom.storageManager.enabled", false); +/* 2755: disable Storage Access API [FF65+] + * [1] https://developer.mozilla.org/docs/Web/API/Storage_Access_API ***/ + // user_pref("dom.storage_access.enabled", false); +/* 2760: enable Local Storage Next Generation (LSNG) [FF65+] ***/ +user_pref("dom.storage.next_gen", true); // [DEFAULT: true FF92+] /*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/ user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!"); -/* 2810: enable Firefox to clear items on shutdown - * [NOTE] In FF129+ clearing "siteSettings" on shutdown (2811+), or manually via site data (2820+) and - * via history (2830), will no longer remove sanitize on shutdown "cookie and site data" site exceptions (2815) - * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes | Settings ***/ -user_pref("privacy.sanitize.sanitizeOnShutdown", true); - -/** SANITIZE ON SHUTDOWN: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2811: set/enforce clearOnShutdown items (if 2810 is true) [SETUP-CHROME] [FF128+] ***/ -user_pref("privacy.clearOnShutdown_v2.cache", true); // [DEFAULT: true] -user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", true); // [DEFAULT: true] - // user_pref("privacy.clearOnShutdown_v2.siteSettings", false); // [DEFAULT: false] -/* 2812: set/enforce clearOnShutdown items [FF136+] ***/ -user_pref("privacy.clearOnShutdown_v2.browsingHistoryAndDownloads", true); // [DEFAULT: true] -user_pref("privacy.clearOnShutdown_v2.downloads", true); -user_pref("privacy.clearOnShutdown_v2.formdata", true); -/* 2813: set Session Restore to clear on shutdown (if 2810 is true) [FF34+] - * [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811+) - * [NOTE] If true, this prevents resuming from crashes (also see 5008) ***/ - // user_pref("privacy.clearOnShutdown.openWindows", true); - -/** SANITIZE ON SHUTDOWN: RESPECTS "ALLOW" SITE EXCEPTIONS ***/ -/* 2815: set "Cookies" and "Site Data" to clear on shutdown (if 2810 is true) [SETUP-CHROME] [FF128+] - * [NOTE] Exceptions: For cross-domain logins, add exceptions for both sites - * e.g. https://www.youtube.com (site) + https://accounts.google.com (single sign on) - * [WARNING] Be selective with what sites you "Allow", as they also disable partitioning (1767271) - * [SETTING] to add site exceptions: Ctrl+I>Permissions>Cookies>Allow (when on the website in question) +/** COOKIES + SITE DATA : ALLOWS EXCEPTIONS ***/ +/* 2801: delete cookies and site data on exit + * 0=keep until they expire (default), 2=keep until you close Firefox + * [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed + * [SETTING] to add site exceptions: Ctrl+I>Permissions>Cookies>Allow + * If using FPI the syntax must be https://example.com/^firstPartyDomain=example.com * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/ -user_pref("privacy.clearOnShutdown_v2.cookiesAndStorage", true); +user_pref("network.cookie.lifetimePolicy", 2); +/* 2802: delete cache on exit [FF96+] + * [NOTE] We already disable disk cache (1001) and clear on exit (2811) which is more robust + * [1] https://bugzilla.mozilla.org/1671182 ***/ + // user_pref("privacy.clearsitedata.cache.enabled", true); +/* 2803: set third-party cookies to session-only + * [NOTE] .sessionOnly overrides .nonsecureSessionOnly except when .sessionOnly=false and + * .nonsecureSessionOnly=true. This allows you to keep HTTPS cookies, but session-only HTTP ones + * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ ***/ +user_pref("network.cookie.thirdparty.sessionOnly", true); +user_pref("network.cookie.thirdparty.nonsecureSessionOnly", true); // [FF58+] -/** SANITIZE SITE DATA: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2820: set manual "Clear Data" items [SETUP-CHROME] [FF128+] +/** SANITIZE ON SHUTDOWN : ALL OR NOTHING ***/ +/* 2810: enable Firefox to clear items on shutdown (2811) + * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes ***/ +user_pref("privacy.sanitize.sanitizeOnShutdown", true); +/* 2811: set/enforce what items to clear on shutdown (if 2810 is true) [SETUP-CHROME] + * sanitizingOnShutdown is all or nothing, it does not allow exceptions (1681701) + * [NOTE] If "history" is true, downloads will also be cleared + * [NOTE] "sessions": Active Logins: refers to HTTP Basic Authentication [1], not logins via cookies + * [NOTE] "offlineApps": Offline Website Data: localStorage, service worker cache, QuotaManager (IndexedDB, asm-cache) + * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes>Settings + * [1] https://en.wikipedia.org/wiki/Basic_access_authentication ***/ +user_pref("privacy.clearOnShutdown.cache", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.downloads", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.formdata", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.history", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.sessions", true); // [DEFAULT: true] +user_pref("privacy.clearOnShutdown.cookies", false); +user_pref("privacy.clearOnShutdown.offlineApps", true); + // user_pref("privacy.clearOnShutdown.siteSettings", false); // [DEFAULT: false] Site Preferences +/* 2812: reset default items to clear with Ctrl-Shift-Del (to match 2811) [SETUP-CHROME] + * This dialog can also be accessed from the menu History>Clear Recent History * Firefox remembers your last choices. This will reset them when you start Firefox - * [SETTING] Privacy & Security>Browser Privacy>Cookies and Site Data>Clear Data ***/ -user_pref("privacy.clearSiteData.cache", true); -user_pref("privacy.clearSiteData.cookiesAndStorage", false); // keep false until it respects "allow" site exceptions -user_pref("privacy.clearSiteData.historyFormDataAndDownloads", true); - // user_pref("privacy.clearSiteData.siteSettings", false); -/* 2821: set manual "Clear Data" items [FF136+] ***/ -user_pref("privacy.clearSiteData.browsingHistoryAndDownloads", true); -user_pref("privacy.clearSiteData.formdata", true); - -/** SANITIZE HISTORY: IGNORES "ALLOW" SITE EXCEPTIONS ***/ -/* 2830: set manual "Clear History" items, also via Ctrl-Shift-Del [SETUP-CHROME] [FF128+] - * Firefox remembers your last choices. This will reset them when you start Firefox - * [SETTING] Privacy & Security>History>Custom Settings>Clear History ***/ -user_pref("privacy.clearHistory.cache", true); // [DEFAULT: true] -user_pref("privacy.clearHistory.cookiesAndStorage", false); -user_pref("privacy.clearHistory.historyFormDataAndDownloads", true); // [DEFAULT: true] - // user_pref("privacy.clearHistory.siteSettings", false); // [DEFAULT: false] -/* 2831: set manual "Clear History" items [FF136+] ***/ -user_pref("privacy.clearHistory.browsingHistoryAndDownloads", true); // [DEFAULT: true] -user_pref("privacy.clearHistory.formdata", true); - -/** SANITIZE MANUAL: TIMERANGE ***/ -/* 2840: set "Time range to clear" for "Clear Data" (2820+) and "Clear History" (2830+) + * [NOTE] Regardless of what you set "downloads" to, as soon as the dialog + * for "Clear Recent History" is opened, it is synced to the same as "history" ***/ +user_pref("privacy.cpd.cache", true); // [DEFAULT: true] +user_pref("privacy.cpd.formdata", true); // [DEFAULT: true] +user_pref("privacy.cpd.history", true); // [DEFAULT: true] +user_pref("privacy.cpd.sessions", true); // [DEFAULT: true] +user_pref("privacy.cpd.cookies", false); +user_pref("privacy.cpd.offlineApps", true); + // user_pref("privacy.cpd.downloads", true); // not used, see note above + // user_pref("privacy.cpd.passwords", false); // [DEFAULT: false] this is not listed + // user_pref("privacy.cpd.siteSettings", false); // [DEFAULT: false] Site Preferences +/* 2813: clear Session Restore data when sanitizing on shutdown or manually [FF34+] + * [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811) + * [NOTE] privacy.clearOnShutdown.openWindows prevents resuming from crashes (also see 5008) + * [NOTE] privacy.cpd.openWindows has a bug that causes an additional window to open ***/ + // user_pref("privacy.clearOnShutdown.openWindows", true); + // user_pref("privacy.cpd.openWindows", true); +/* 2814: reset default "Time range to clear" for "Clear Recent History" (2812) * Firefox remembers your last choice. This will reset the value when you start Firefox * 0=everything, 1=last hour, 2=last two hours, 3=last four hours, 4=today * [NOTE] Values 5 (last 5 minutes) and 6 (last 24 hours) are not listed in the dropdown, * which will display a blank value, and are not guaranteed to work ***/ user_pref("privacy.sanitize.timeSpan", 0); -/*** [SECTION 4000]: FPP (fingerprintingProtection) - RFP (4501) overrides FPP - - In FF118+ FPP is on by default in private windows (4001) and in FF119+ is controlled - by ETP (2701). FPP will also use Remote Services in future to relax FPP protections - on a per site basis for compatibility (4004). - - https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargetsDefault.inc - - [NOTE] RFPTargets + granular overrides are somewhat experimental and may produce unexpected results - - e.g. FrameRate can only be controlled per process, not per origin - - 1826408 - restrict fonts to system (kBaseFonts + kLangPackFonts) (Windows, Mac, some Linux) - https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc - 1858181 - subtly randomize canvas per eTLD+1, per session and per window-mode (FF120+) +/*** [SECTION 4000]: FPI (FIRST PARTY ISOLATION) + 1278037 - indexedDB (FF51+) + 1277803 - favicons (FF52+) + 1264562 - OCSP cache (FF52+) + 1268726 - Shared Workers (FF52+) + 1316283 - SSL session cache (FF52+) + 1317927 - media cache (FF53+) + 1323644 - HSTS and HPKP (FF54+) + 1334690 - HTTP Alternative Services (FF54+) + 1334693 - SPDY/HTTP2 (FF55+) + 1337893 - DNS cache (FF55+) + 1344170 - blob: URI (FF55+) + 1300671 - data:, about: URLs (FF55+) + 1473247 - IP addresses (FF63+) + 1542309 - top-level domain URLs when host is in the public suffix list (FF68+) + 1506693 - pdfjs range-based requests (FF68+) + 1330467 - site permissions (FF69+) + 1534339 - IPv6 (FF73+) + 1721858 - WebSocket (FF92+) ***/ -user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!"); -/* 4001: enable FPP in PB mode [FF114+] - * [NOTE] In FF119+, FPP for all modes (7016) is enabled with ETP Strict (2701) ***/ - // user_pref("privacy.fingerprintingProtection.pbmode", true); // [DEFAULT: true] -/* 4002: set global FPP overrides [FF114+] - * uses "RFPTargets" [1] which despite the name these are not used by RFP - * e.g. "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC" = all targets but allow prefers-color-scheme and do not change timezone - * e.g. "-AllTargets,+CanvasRandomization,+JSDateTimeUTC" = no targets but do use FPP canvas and change timezone - * [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults - * [1] https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargets.inc ***/ - // user_pref("privacy.fingerprintingProtection.overrides", ""); -/* 4003: set granular FPP overrides - * JSON format: e.g."[{\"firstPartyDomain\": \"netflix.com\", \"overrides\": \"-CanvasRandomization,-FrameRate,\"}]" - * [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults ***/ - // user_pref("privacy.fingerprintingProtection.granularOverrides", ""); -/* 4004: disable remote FPP overrides [FF127+] ***/ - // user_pref("privacy.fingerprintingProtection.remoteOverrides.enabled", false); +user_pref("_user.js.parrot", "4000 syntax error: the parrot's pegged out"); +/* 4001: enable First Party Isolation [FF51+] + * [SETUP-WEB] Breaks some cross-origin logins + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1260931,1299996 ***/ +user_pref("privacy.firstparty.isolate", true); +/* 4002: enforce FPI restriction for window.opener [FF54+] + * [NOTE] Setting this to false may reduce the breakage in 4001 + * FF65+ blocks postMessage with targetOrigin "*" if originAttributes don't match. But + * to reduce breakage it ignores the 1st-party domain (FPD) originAttribute [2][3] + * The 2nd pref removes that limitation and will only allow communication if FPDs also match + * [1] https://bugzilla.mozilla.org/1319773#c22 + * [2] https://bugzilla.mozilla.org/1492607 + * [3] https://developer.mozilla.org/docs/Web/API/Window/postMessage ***/ + // user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAULT: true] + // user_pref("privacy.firstparty.isolate.block_post_message", true); +/* 4003: enable scheme with FPI [FF78+] + * [NOTE] Experimental: existing data and site permissions are incompatible + * and some site exceptions may not work e.g. HTTPS-only mode (1244) ***/ + // user_pref("privacy.firstparty.isolate.use_site", true); -/*** [SECTION 4500]: OPTIONAL RFP (resistFingerprinting) - RFP overrides FPP (4000) - - FF128+ Arkenfox by default uses FPP (automatically enabled with ETP Strict). For most people - this is all you need. To use RFP instead, add RFP (4501) to your overrides, and optionally - add letterboxing (4504), spoof_english (4506), and webgl (4520). - - RFP is an all-or-nothing buy in: you cannot pick and choose what parts you want +/*** [SECTION 4500]: RFP (RESIST FINGERPRINTING) + RFP covers a wide range of ongoing fingerprinting solutions. + It is an all-or-nothing buy in: you cannot pick and choose what parts you want [WARNING] DO NOT USE extensions to alter RFP protected metrics 418986 - limit window.screen & CSS media queries (FF41) + [TEST] https://arkenfox.github.io/TZP/tzp.html#screen + 1281949 - spoof screen orientation (FF50) + 1330890 - spoof timezone as UTC0 (FF55) 1360039 - spoof navigator.hardwareConcurrency as 2 (FF55) + 1217238 - reduce precision of time exposed by javascript (FF55) FF56 + 1369303 - spoof/disable performance API 1333651 - spoof User Agent & Navigator API - JS: spoofed as Windows 10, OS 10.15, Android 10, or Linux - HTTP Header: spoofed as Windows 10 or Android 10.15 until FF136 then matches JS spoof + JS: the version is spoofed as ESR, and the OS as Windows 10, OS 10.15, Android 10, or Linux + HTTP Headers: spoofed as Windows or Android 1369319 - disable device sensor API 1369357 - disable site specific zoom 1337161 - hide gamepads from content @@ -741,19 +997,21 @@ user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!"); 1369309 - spoof media statistics 1382499 - reduce screen co-ordinate fingerprinting in Touch API 1217290 & 1409677 - enable some fingerprinting resistance for WebGL + 1382545 - reduce fingerprinting in Animation API 1354633 - limit MediaError.message to a whitelist - FF58+ + FF58-90 + 967895 - spoof canvas and enable site permission prompt (FF58) 1372073 - spoof/block fingerprinting in MediaDevices API (FF59) Spoof: enumerate devices as one "Internal Camera" and one "Internal Microphone" Block: suppresses the ondevicechange event - 1039069 - warn when language prefs are not set to "en*" (FF59) + 1039069 - warn when language prefs are not set to "en*" (also see 0210, 0211) (FF59) 1222285 & 1433592 - spoof keyboard events and suppress keyboard modifier events (FF59) Spoofing mimics the content language of the document. Currently it only supports en-US. Modifier events suppressed are SHIFT and both ALT keys. Chrome is not affected. 1337157 - disable WebGL debug renderer info (FF60) 1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID) (FF62) 1479239 - return "no-preference" with prefers-reduced-motion (FF63) - 1363508 & 1826051 - spoof/suppress Pointer Events (FF64, FF132) + 1363508 - spoof/suppress Pointer Events (FF64) 1492766 - spoof pointerEvent.pointerid (FF65) 1485266 - disable exposure of system colors to CSS or canvas (FF67) 1494034 - return "light" with prefers-color-scheme (FF67) @@ -761,41 +1019,28 @@ user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!"); 1595823 - return audioContext sampleRate as 44100 (FF72) 1607316 - spoof pointer as coarse and hover as none (ANDROID) (FF74) 1621433 - randomize canvas (previously FF58+ returned an all-white canvas) (FF78) - 1506364 - return "no-preference" with prefers-contrast (FF80) 1653987 - limit font visibility to bundled and "Base Fonts" (Windows, Mac, some Linux) (FF80) 1461454 - spoof smooth=true and powerEfficient=false for supported media in MediaCapabilities (FF82) + FF91+ 531915 - use fdlibm's sin, cos and tan in jsmath (FF93, ESR91.1) - 1756280 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF100-115) - 1692609 - reduce JS timing precision to 16.67ms (previously FF55+ was 100ms) (FF102) - 1422237 - return "srgb" with color-gamut (FF110) - 1794628 - return "none" with inverted-colors (FF114) - 1787790 - normalize system fonts (FF128) - 1835987 - spoof timezone as Atlantic/Reykjavik (previously FF55+ was UTC) (FF128) - 1834307 - always use smooth scrolling (FF132) - 1918202 - spoof screen orientation based on spoofed screen size and platform (FF132) - previously it always returned landscape-primary and an angle of 0 (FF50+) - 1390465 - load all subtitles in WebVTT (Video Text Tracks) (FF133) - 1873382 - make spoofed devicePixelRatio and CSS media queries match (FF133) - previously FF41+ devicePixelRatio was hardcoded as 1 and FF127+ as 2 - previously FF41+ CSS media queries were spoofed as zoom level at a devicePixelRatio of 1 ***/ user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs"); -/* 4501: enable RFP - * [NOTE] pbmode applies if true and the original pref is false - * [SETUP-WEB] RFP can cause some website breakage: mainly canvas, use a canvas site exception via the urlbar. - * RFP also has a few side effects: mainly that timezone is GMT, and websites will prefer light theme ***/ - // user_pref("privacy.resistFingerprinting", true); // [FF41+] - // user_pref("privacy.resistFingerprinting.pbmode", true); // [FF114+] -/* 4502: set RFP new window size max rounded values [FF55+] - * [SETUP-CHROME] sizes round down in hundreds: width to 200s and height to 100s, to fit your screen +/* 4501: enable privacy.resistFingerprinting [FF41+] + * [SETUP-WEB] RFP can cause some website breakage: mainly canvas, use a site exception via the urlbar + * RFP also has a few side effects: mainly timezone is UTC0, and websites will prefer light theme + * [1] https://bugzilla.mozilla.org/418986 ***/ +user_pref("privacy.resistFingerprinting", true); +/* 4502: set new window sizes to round to hundreds [FF55+] [SETUP-CHROME] + * Width will round down to multiples of 200s and height to 100s, to fit your screen. + * The max values are a starting point to round from if you want some control * [1] https://bugzilla.mozilla.org/1330882 ***/ -user_pref("privacy.window.maxInnerWidth", 1600); -user_pref("privacy.window.maxInnerHeight", 900); + // user_pref("privacy.window.maxInnerWidth", 1000); + // user_pref("privacy.window.maxInnerHeight", 1000); /* 4503: disable mozAddonManager Web API [FF57+] * [NOTE] To allow extensions to work on AMO, you also need 2662 * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/ -user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); -/* 4504: enable letterboxing [FF67+] +user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF] +/* 4504: enable RFP letterboxing [FF67+] * Dynamically resizes the inner window by applying margins in stepped ranges [2] * If you use the dimension pref, then it will only apply those resolutions. * The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000") @@ -803,36 +1048,43 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); * dislike the margins, then flip this pref, keeping in mind that it is effectively fingerprintable * [WARNING] DO NOT USE: the dimension pref is only meant for testing * [1] https://bugzilla.mozilla.org/1407366 - * [2] https://hg.mozilla.org/mozilla-central/rev/7211cb4f58ff#l5.13 ***/ - // user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] + * [2] https://hg.mozilla.org/mozilla-central/rev/6d2d7856e468#l2.32 ***/ +user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF] -/* 4505: disable RFP by domain [FF91+] - * [NOTE] Working examples: "arkenfox.github.io", "*github.io" - * Non-working examples: "https://arkenfox.github.io", "github.io", "*arkenfox.github.io" ***/ +/* 4505: experimental RFP [FF91+] + * [WARNING] DO NOT USE unless testing, see [1] comment 12 + * [1] https://bugzilla.mozilla.org/1635603 ***/ // user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid"); -/* 4506: disable RFP spoof english prompt [FF59+] - * 0=prompt, 1=disabled, 2=enabled - * [NOTE] When changing from value 2, preferred languages ('intl.accept_languages') is not reset. - * [SETUP-WEB] when enabled, sets 'en-US, en' for displaying pages and 'en-US' as locale. - * [SETTING] General>Language>Choose your preferred language for displaying pages>Choose>Request English... ***/ -user_pref("privacy.spoof_english", 1); + // user_pref("privacy.resistFingerprinting.testGranularityMask", 0); +/* 4506: set RFP's font visibility level (1402) [FF94+] ***/ + // user_pref("layout.css.font-visibility.resistFingerprinting", 1); +/* 4507: disable showing about:blank as soon as possible during startup [FF60+] + * When default true this no longer masks the RFP chrome resizing activity + * [1] https://bugzilla.mozilla.org/1448423 ***/ +user_pref("browser.startup.blankWindow", false); /* 4510: disable using system colors * [SETTING] General>Language and Appearance>Fonts and Colors>Colors>Use system colors ***/ -user_pref("browser.display.use_system_colors", false); // [DEFAULT: false NON-WINDOWS] -/* 4511: disable using system accent colors ***/ -user_pref("widget.non-native-theme.use-theme-accent", false); // [DEFAULT: false WINDOWS] +user_pref("browser.display.use_system_colors", false); // [DEFAULT false NON-WINDOWS] +/* 4511: enforce non-native widget theme + * Security: removes/reduces system API calls, e.g. win32k API [1] + * Fingerprinting: provides a uniform look and feel across platforms [2] + * [1] https://bugzilla.mozilla.org/1381938 + * [2] https://bugzilla.mozilla.org/1411425 ***/ +user_pref("widget.non-native-theme.enabled", true); // [DEFAULT: true] /* 4512: enforce links targeting new windows to open in a new tab instead * 1=most recent window or tab, 2=new window, 3=new tab * Stops malicious window sizes and some screen resolution leaks. * You can still right-click a link and open in a new window * [SETTING] General>Tabs>Open links in tabs instead of new windows + * [TEST] https://arkenfox.github.io/TZP/tzp.html#screen * [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/9881 ***/ user_pref("browser.link.open_newwindow", 3); // [DEFAULT: 3] /* 4513: set all open window methods to abide by "browser.link.open_newwindow" (4512) * [1] https://searchfox.org/mozilla-central/source/dom/tests/browser/browser_test_new_window_from_content.js ***/ user_pref("browser.link.open_newwindow.restriction", 0); -/* 4520: disable WebGL (Web Graphics Library) ***/ - // user_pref("webgl.disabled", true); +/* 4520: disable WebGL (Web Graphics Library) + * [SETUP-WEB] If you need it then enable it. RFP still randomizes canvas for naive scripts ***/ +user_pref("webgl.disabled", true); /*** [SECTION 5000]: OPTIONAL OPSEC Disk avoidance, application data isolation, eyeballs... @@ -844,7 +1096,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow * caches, searches, cookies, localStorage, IndexedDB etc (which you can achieve in normal mode). * In fact, PB mode limits or removes the ability to control some of these, and you need to quit * Firefox to clear them. PB is best used as a one off window (Menu>New Private Window) to provide - * a temporary self-contained new session. Close all private windows to clear the PB session. + * a temporary self-contained new session. Close all Private Windows to clear the PB mode session. * [SETTING] Privacy & Security>History>Custom Settings>Always use private browsing mode * [1] https://wiki.mozilla.org/Private_Browsing * [2] https://support.mozilla.org/kb/common-myths-about-private-browsing ***/ @@ -864,7 +1116,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow /* 5005: disable intermediate certificate caching [FF41+] [RESTART] * [NOTE] This affects login/cert/key dbs. The effect is all credentials are session-only. * Saved logins and passwords are not available. Reset the pref and restart to return them ***/ - // user_pref("security.nocertdb", true); + // user_pref("security.nocertdb", true); // [HIDDEN PREF] /* 5006: disable favicons in history and bookmarks * [NOTE] Stored as data blobs in favicons.sqlite, these don't reveal anything that your * actual history (and bookmarks) already do. Your history is more detailed, so @@ -873,15 +1125,14 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow // user_pref("browser.chrome.site_icons", false); /* 5007: exclude "Undo Closed Tabs" in Session Restore ***/ // user_pref("browser.sessionstore.max_tabs_undo", 0); -/* 5008: disable resuming session from crash - * [TEST] about:crashparent ***/ +/* 5008: disable resuming session from crash ***/ // user_pref("browser.sessionstore.resume_from_crash", false); /* 5009: disable "open with" in download dialog [FF50+] * Application data isolation [1] * [1] https://bugzilla.mozilla.org/1281959 ***/ // user_pref("browser.download.forbid_open_with", true); /* 5010: disable location bar suggestion types - * [SETTING] Search>Address Bar>When using the address bar, suggest ***/ + * [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest ***/ // user_pref("browser.urlbar.suggest.history", false); // user_pref("browser.urlbar.suggest.bookmark", false); // user_pref("browser.urlbar.suggest.openpage", false); @@ -893,7 +1144,7 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow * [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/ // user_pref("browser.urlbar.autoFill", false); /* 5013: disable browsing and download history - * [NOTE] We also clear history and downloads on exit (2811+) + * [NOTE] We also clear history and downloads on exit (2811) * [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/ // user_pref("places.history.enabled", false); /* 5014: disable Windows jumplist [WINDOWS] ***/ @@ -901,33 +1152,16 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow // user_pref("browser.taskbar.lists.frequent.enabled", false); // user_pref("browser.taskbar.lists.recent.enabled", false); // user_pref("browser.taskbar.lists.tasks.enabled", false); +/* 5015: disable Windows taskbar preview [WINDOWS] ***/ + // user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false] /* 5016: discourage downloading to desktop - * 0=desktop, 1=downloads (default), 2=custom - * [SETTING] To set your custom default "downloads": General>Downloads>Save files to ***/ + * 0=desktop, 1=downloads (default), 2=last used + * [SETTING] To set your default "downloads": General>Downloads>Save files to ***/ // user_pref("browser.download.folderList", 2); -/* 5017: disable Form Autofill - * If .supportedCountries includes your region (browser.search.region) and .supported - * is "detect" (default), then the UI will show. Stored data is not secure, uses JSON - * [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses - * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/ - // user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+] - // user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+] -/* 5018: limit events that can cause a pop-up ***/ - // user_pref("dom.popup_allowed_events", "click dblclick mousedown pointerdown"); -/* 5019: disable page thumbnail collection ***/ - // user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF] -/* 5020: disable Windows native notifications and use app notications instead [FF111+] [WINDOWS] ***/ - // user_pref("alerts.useSystemBackend.windows.notificationserver.enabled", false); -/* 5021: disable location bar using search - * Don't leak URL typos to a search engine, give an error message instead - * Examples: "secretplace,com", "secretplace/com", "secretplace com", "secret place.com" - * [NOTE] This does not affect explicit user action such as using search buttons in the - * dropdown, or using keyword search shortcuts you configure in options (e.g. "d" for DuckDuckGo) ***/ - // user_pref("keyword.enabled", false); /*** [SECTION 5500]: OPTIONAL HARDENING - Not recommended. Overriding these can cause breakage and performance issues, - they are mostly fingerprintable, and the threat model is practically nonexistent + Not recommended. Keep in mind that these can cause breakage and performance + issues, are mostly fingerpintable, and the threat model is practically zero ***/ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!"); /* 5501: disable MathML (Mathematical Markup Language) [FF51+] @@ -945,11 +1179,10 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!"); * [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js * [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/ // user_pref("javascript.options.asmjs", false); -/* 5505: disable Ion and baseline JIT to harden against JS exploits [RESTART] - * [NOTE] When both Ion and JIT are disabled, and trustedprincipals - * is enabled, then Ion can still be used by extensions (1599226) - * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit - * [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/ ***/ +/* 5505: disable Ion and baseline JIT to harden against JS exploits + * [NOTE] In FF75+, when **both** Ion and JIT are disabled, **and** the new + * hidden pref is enabled, then Ion can still be used by extensions (1599226) + * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit ***/ // user_pref("javascript.options.ion", false); // user_pref("javascript.options.baselinejit", false); // user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF] @@ -957,37 +1190,11 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!"); * Vulnerabilities [1] have increasingly been found, including those known and fixed * in native programs years ago [2]. WASM has powerful low-level access, making * certain attacks (brute-force) and vulnerabilities more possible - * [STATS] ~0.2% of websites, about half of which are for cryptomining / malvertising [2][3] + * [STATS] ~0.2% of websites, about half of which are for crytopmining / malvertising [2][3] * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm * [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly * [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes ***/ // user_pref("javascript.options.wasm", false); -/* 5507: disable rendering of SVG OpenType fonts ***/ - // user_pref("gfx.font_rendering.opentype_svg.enabled", false); -/* 5508: disable all DRM content (EME: Encryption Media Extension) - * Optionally hide the UI setting which also disables the DRM prompt - * [SETTING] General>DRM Content>Play DRM-controlled content - * [TEST] https://bitmovin.com/demos/drm - * [1] https://www.eff.org/deeplinks/2017/10/drms-dead-canary-how-we-just-lost-web-what-we-learned-it-and-what-we-need-do-next ***/ - // user_pref("media.eme.enabled", false); - // user_pref("browser.eme.ui.enabled", false); -/* 5509: disable IPv6 if using a VPN - * This is an application level fallback. Disabling IPv6 is best done at an OS/network - * level, and/or configured properly in system wide VPN setups. - * [NOTE] PHP defaults to IPv6 with "localhost". Use "php -S 127.0.0.1:PORT" - * [SETUP-WEB] PR_CONNECT_RESET_ERROR - * [TEST] https://ipleak.org/ - * [1] https://www.internetsociety.org/tag/ipv6-security/ (Myths 2,4,5,6) ***/ - // user_pref("network.dns.disableIPv6", true); -/* 5510: control when to send a cross-origin referer - * 0=always (default), 1=only if base domains match, 2=only if hosts match - * [NOTE] Will cause breakage: older modems/routers and some sites e.g banks, vimeo, icloud, instagram ***/ - // user_pref("network.http.referer.XOriginPolicy", 2); -/* 5511: set DoH bootstrap address [FF89+] - * Firefox uses the system DNS to initially resolve the IP address of your DoH server. - * When set to a valid, working value that matches your "network.trr.uri" (0712) Firefox - * won't use the system DNS. If the IP doesn't match then DoH won't work ***/ - // user_pref("network.trr.bootstrapAddr", "10.0.0.1"); // [HIDDEN PREF] /*** [SECTION 6000]: DON'T TOUCH ***/ user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!"); @@ -998,49 +1205,48 @@ user_pref("extensions.blocklist.enabled", true); // [DEFAULT: true] /* 6002: enforce no referer spoofing * [WHY] Spoofing can affect CSRF (Cross-Site Request Forgery) protections ***/ user_pref("network.http.referer.spoofSource", false); // [DEFAULT: false] +/* 6003: enforce CSP (Content Security Policy) + * [1] https://developer.mozilla.org/docs/Web/HTTP/CSP ***/ +user_pref("security.csp.enable", true); // [DEFAULT: true] /* 6004: enforce a security delay on some confirmation dialogs such as install, open/save * [1] https://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/ user_pref("security.dialog_enable_delay", 1000); // [DEFAULT: 1000] -/* 6008: enforce no First Party Isolation [FF51+] - * [WARNING] Replaced with network partitioning (FF85+) and TCP (2701), and enabling FPI - * disables those. FPI is no longer maintained except at Tor Project for Tor Browser's config ***/ -user_pref("privacy.firstparty.isolate", false); // [DEFAULT: false] -/* 6009: enforce SmartBlock shims (about:compat) [FF81+] - * [1] https://blog.mozilla.org/security/2021/03/23/introducing-smartblock/ ***/ -user_pref("extensions.webcompat.enable_shims", true); // [HIDDEN PREF] [DEFAULT: true] -/* 6010: enforce no TLS 1.0/1.1 downgrades - * [TEST] https://tls-v1-1.badssl.com:1010/ ***/ -user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false] -/* 6011: enforce disabling of Web Compatibility Reporter [FF56+] - * Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla - * [WHY] To prevent wasting Mozilla's time with a custom setup ***/ -user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false] -/* 6012: enforce Quarantined Domains [FF115+] - * [WHY] https://support.mozilla.org/kb/quarantined-domains */ -user_pref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true] -/* 6050: prefsCleaner: reset previously active items removed from arkenfox FF128+ ***/ - // user_pref("privacy.clearOnShutdown.cache", ""); - // user_pref("privacy.clearOnShutdown.cookies", ""); - // user_pref("privacy.clearOnShutdown.downloads", ""); - // user_pref("privacy.clearOnShutdown.formdata", ""); - // user_pref("privacy.clearOnShutdown.history", ""); - // user_pref("privacy.clearOnShutdown.offlineApps", ""); - // user_pref("privacy.clearOnShutdown.sessions", ""); - // user_pref("privacy.cpd.cache", ""); - // user_pref("privacy.cpd.cookies", ""); - // user_pref("privacy.cpd.formdata", ""); - // user_pref("privacy.cpd.history", ""); - // user_pref("privacy.cpd.offlineApps", ""); - // user_pref("privacy.cpd.sessions", ""); +/* 6005: enforce window.opener protection [FF65+] + * Makes rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set ***/ +user_pref("dom.targetBlankNoOpener.enabled", true); // [DEFAULT: true] +/* 6006: enforce "window.name" protection [FF82+] + * If a new page from another domain is loaded into a tab, then window.name is set to an empty string. The original + * string is restored if the tab reverts back to the original page. This change prevents some cross-site attacks + * [TEST] https://arkenfox.github.io/TZP/tests/windownamea.html ***/ +user_pref("privacy.window.name.update.enabled", true); // [DEFAULT: true] +/* 6050: prefsCleaner: reset previously active items removed from arkenfox in 79-91 ***/ + // user_pref("browser.newtabpage.activity-stream.asrouter.providers.snippets", ""); + // user_pref("browser.send_pings.require_same_host", ""); + // user_pref("dom.allow_cut_copy", ""); + // user_pref("dom.vibrator.enabled", ""); + // user_pref("media.getusermedia.audiocapture.enabled", ""); + // user_pref("media.getusermedia.browser.enabled", ""); + // user_pref("media.getusermedia.screensharing.enabled", ""); + // user_pref("media.gmp-widevinecdm.visible", ""); + // user_pref("network.http.redirection-limit", ""); + // user_pref("privacy.partition.network_state", ""); + // user_pref("security.insecure_connection_icon.enabled", ""); // [DEFAULT: true FF70+] + // user_pref("security.mixed_content.block_active_content", ""); // [DEFAULT: true since at least FF60] + // user_pref("security.ssl.enable_ocsp_stapling", ""); // [DEFAULT: true FF26+] + // user_pref("webgl.disable-fail-if-major-performance-caveat", ""); // [DEFAULT: true FF86+] + // user_pref("webgl.enable-webgl2", ""); + // user_pref("webgl.min_capability_mode", ""); /*** [SECTION 7000]: DON'T BOTHER ***/ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!"); /* 7001: disable APIs - * Location-Aware Browsing, Full Screen - * [WHY] The API state is easily fingerprintable. - * Geo is behind a prompt (7002). Full screen requires user interaction ***/ + * Location-Aware Browsing, Full Screen, offline cache (appCache), Virtual Reality + * [WHY] The API state is easily fingerprintable. Geo and VR are behind prompts (7002). + * appCache storage capability was removed in FF90. Full screen requires user interaction ***/ // user_pref("geo.enabled", false); // user_pref("full-screen-api.enabled", false); + // user_pref("browser.cache.offline.enable", false); + // user_pref("dom.vr.enabled", false); /* 7002: set default permissions * Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+] * 0=always ask (default), 1=allow, 2=block @@ -1056,8 +1262,8 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies /* 7003: disable non-modern cipher suites [1] * [WHY] Passive fingerprinting. Minimal/non-existent threat of downgrade attacks * [1] https://browserleaks.com/ssl ***/ - // user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); // user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false); + // user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); // user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false); // user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false); // user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS @@ -1065,15 +1271,19 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies // user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS // user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS /* 7004: control TLS versions - * [WHY] Passive fingerprinting and security ***/ + * [WHY] Passive fingerprinting. Downgrades are still possible: behind user interaction ***/ // user_pref("security.tls.version.min", 3); // [DEFAULT: 3] // user_pref("security.tls.version.max", 4); /* 7005: disable SSL session IDs [FF36+] - * [WHY] Passive fingerprinting and perf costs. These are session-only - * and isolated with network partitioning (FF85+) and/or containers ***/ - // user_pref("security.ssl.disable_session_identifiers", true); + * [WHY] Passive fingerprinting and perf costs. These are session-only and isolated + * with network partitioning (FF85+) or when using FPI and/or containers ***/ + // user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF] +/* 7006: onions + * [WHY] Firefox doesn't support hidden services. Use Tor Browser ***/ + // user_pref("dom.securecontext.whitelist_onions", true); // 1382359 + // user_pref("network.http.referer.hideOnionSource", true); // 1305144 /* 7007: referers - * [WHY] Only cross-origin referers (1602, 5510) matter ***/ + * [WHY] Only cross-origin referers (1600s) need control ***/ // user_pref("network.http.sendRefererHeader", 2); // user_pref("network.http.referer.trimmingPolicy", 0); /* 7008: set the default Referrer Policy [FF59+] @@ -1081,9 +1291,17 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies * [WHY] Defaults are fine. They can be overridden by a site-controlled Referrer Policy ***/ // user_pref("network.http.referer.defaultPolicy", 2); // [DEFAULT: 2] // user_pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2] +/* 7009: disable HTTP2 + * [WHY] Passive fingerprinting. ~50% of sites use HTTP2 [1] + * [1] https://w3techs.com/technologies/details/ce-http2/all/all ***/ + // user_pref("network.http.spdy.enabled", false); + // user_pref("network.http.spdy.enabled.deps", false); + // user_pref("network.http.spdy.enabled.http2", false); + // user_pref("network.http.spdy.websockets", false); // [FF65+] /* 7010: disable HTTP Alternative Services [FF37+] - * [WHY] Already isolated with network partitioning (FF85+) ***/ + * [WHY] Already isolated by network partitioning (FF85+) or FPI ***/ // user_pref("network.http.altsvc.enabled", false); + // user_pref("network.http.altsvc.oe", false); // [DEFAULT: false FF94+] /* 7011: disable website control over browser right-click context menu * [WHY] Just use Shift-Right-Click ***/ // user_pref("dom.event.contextmenu.enabled", false); @@ -1101,148 +1319,165 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies * [WHY] It can compromise security. System addons ship with prefs, use those ***/ // user_pref("extensions.systemAddon.update.enabled", false); // [FF62+] // user_pref("extensions.systemAddon.update.url", ""); // [FF44+] -/* 7015: enable the DNT (Do Not Track) HTTP header - * [WHY] DNT is enforced with Tracking Protection which is used in ETP Strict (2701) ***/ - // user_pref("privacy.donottrackheader.enabled", true); -/* 7016: customize ETP settings - * [NOTE] FPP (fingerprintingProtection) is ignored when RFP (4501) is enabled - * [WHY] Arkenfox only supports strict (2701) which sets these at runtime ***/ - // user_pref("network.cookie.cookieBehavior", 5); // [DEFAULT: 5] - // user_pref("network.cookie.cookieBehavior.optInPartitioning", true); // [ETP FF132+] - // user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true); - // user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+] - // user_pref("privacy.bounceTrackingProtection.mode", 1); // [FF131+] [ETP FF133+] - // user_pref("privacy.fingerprintingProtection", true); // [FF114+] [ETP FF119+] - // user_pref("privacy.partition.network_state.ocsp_cache", true); // [DEFAULT: true] - // user_pref("privacy.query_stripping.enabled", true); // [FF101+] - // user_pref("privacy.trackingprotection.enabled", true); - // user_pref("privacy.trackingprotection.socialtracking.enabled", true); - // user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true] - // user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true] -/* 7017: disable service workers - * [WHY] Already isolated with TCP (2701) behind a pref (2710) ***/ - // user_pref("dom.serviceWorkers.enabled", false); -/* 7018: disable Web Notifications [FF22+] - * [WHY] Web Notifications are behind a prompt (7002) - * [1] https://blog.mozilla.org/en/products/firefox/block-notification-requests/ ***/ - // user_pref("dom.webnotifications.enabled", false); -/* 7019: disable Push Notifications [FF44+] - * [WHY] Website "push" requires subscription, and the API is required for CRLite (1224) - * [NOTE] To remove all subscriptions, reset "dom.push.userAgentID" - * [1] https://support.mozilla.org/kb/push-notifications-firefox ***/ - // user_pref("dom.push.enabled", false); -/* 7020: disable WebRTC (Web Real-Time Communication) - * [WHY] Firefox desktop uses mDNS hostname obfuscation and the private IP is never exposed until - * required in TRUSTED scenarios; i.e. after you grant device (microphone or camera) access - * [TEST] https://browserleaks.com/webrtc - * [1] https://groups.google.com/g/discuss-webrtc/c/6stQXi72BEU/m/2FwZd24UAQAJ - * [2] https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-mdns-ice-candidates#section-3.1.1 ***/ - // user_pref("media.peerconnection.enabled", false); -/* 7021: enable GPC (Global Privacy Control) in non-PB windows - * [WHY] Passive and active fingerprinting. Mostly redundant with Tracking Protection - * in ETP Strict (2701) and sanitizing on close (2800s) ***/ - // user_pref("privacy.globalprivacycontrol.enabled", true); -/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING +/*** [SECTION 8000]: DON'T BOTHER: NON-RFP [WHY] They are insufficient to help anti-fingerprinting and do more harm than good [WARNING] DO NOT USE with RFP. RFP already covers these and they can interfere ***/ user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan"); -/* 8001: prefsCleaner: reset items useless for anti-fingerprinting ***/ - // user_pref("browser.display.use_document_fonts", ""); - // user_pref("browser.zoom.siteSpecific", ""); - // user_pref("device.sensors.enabled", ""); - // user_pref("dom.enable_performance", ""); - // user_pref("dom.enable_resource_timing", ""); - // user_pref("dom.gamepad.enabled", ""); - // user_pref("dom.maxHardwareConcurrency", ""); - // user_pref("dom.w3c_touch_events.enabled", ""); - // user_pref("dom.webaudio.enabled", ""); - // user_pref("font.system.whitelist", ""); - // user_pref("general.appname.override", ""); - // user_pref("general.appversion.override", ""); - // user_pref("general.buildID.override", ""); - // user_pref("general.oscpu.override", ""); - // user_pref("general.platform.override", ""); - // user_pref("general.useragent.override", ""); - // user_pref("media.navigator.enabled", ""); - // user_pref("media.ondevicechange.enabled", ""); - // user_pref("media.video_stats.enabled", ""); - // user_pref("media.webspeech.synth.enabled", ""); - // user_pref("ui.use_standins_for_native_colors", ""); - // user_pref("webgl.enable-debug-renderer-info", ""); +/* 8001: disable APIs ***/ + // user_pref("device.sensors.enabled", false); + // user_pref("dom.enable_performance", false); + // user_pref("dom.enable_resource_timing", false); + // user_pref("dom.gamepad.enabled", false); + // user_pref("dom.netinfo.enabled", false); + // user_pref("dom.webaudio.enabled", false); +/* 8002: disable other ***/ + // user_pref("browser.display.use_document_fonts", 0); + // user_pref("browser.zoom.siteSpecific", false); + // user_pref("dom.w3c_touch_events.enabled", 0); + // user_pref("media.navigator.enabled", false); + // user_pref("media.ondevicechange.enabled", false); + // user_pref("media.video_stats.enabled", false); + // user_pref("media.webspeech.synth.enabled", false); + // user_pref("webgl.enable-debug-renderer-info", false); +/* 8003: spoof ***/ + // user_pref("dom.maxHardwareConcurrency", 2); + // user_pref("font.system.whitelist", ""); // [HIDDEN PREF] + // user_pref("general.appname.override", ""); // [HIDDEN PREF] + // user_pref("general.appversion.override", ""); // [HIDDEN PREF] + // user_pref("general.buildID.override", ""); // [HIDDEN PREF] + // user_pref("general.oscpu.override", ""); // [HIDDEN PREF] + // user_pref("general.platform.override", ""); // [HIDDEN PREF] + // user_pref("general.useragent.override", ""); // [HIDDEN PREF] + // user_pref("ui.use_standins_for_native_colors", true); -/*** [SECTION 8500]: TELEMETRY - Arkenfox does not consider Firefox telemetry to be a privacy or security concern - comments below. - But since most arkenfox users prefer it disabled, we'll do that rather than cause overrides. - - Opt-out - - Telemetry is essential: a browser engine is a _very_ large complex beast costing billions to maintain - - Opt-in telemetry _does not_ work and results in data that is unrepresentative and may be misleading - Choice - - Every new profile on first use provides data collection/use policy and the abillty to opt-out - - It can be disabled at any time (Settings>Privacy & Security>Data Collection and Use) - Data - - no PII (Personally Identifiable Information) - - can be viewed in about:telemetry - - uses Prio [1][2][3], Glean [4], Oblivious HTTP [5][6] - - [1] https://crypto.stanford.edu/prio/ - [2] https://hacks.mozilla.org/2018/10/testing-privacy-preserving-telemetry-with-prio/ - [3] https://blog.mozilla.org/security/2019/06/06/next-steps-in-privacy-preserving-telemetry-with-prio/ - [4] https://firefox-source-docs.mozilla.org/toolkit/components/glean/index.html - [5] https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/ohttp.html - [6] https://blog.mozilla.org/en/tag/oblivious-http/ +/*** [SECTION 9000]: PERSONAL + Non-project related but useful. If any interest you, add them to your overrides ***/ -user_pref("_user.js.parrot", "8500 syntax error: the parrot's off the twig!"); -/* 8500: disable new data submission [FF41+] - * If disabled, no policy is shown or upload takes place, ever - * [1] https://bugzilla.mozilla.org/1195552 ***/ -user_pref("datareporting.policy.dataSubmissionEnabled", false); -/* 8501: disable Health Reports - * [SETTING] Privacy & Security>Firefox Data Collection and Use>Send technical... data ***/ -user_pref("datareporting.healthreport.uploadEnabled", false); -/* 0802: disable telemetry - * The "unified" pref affects the behavior of the "enabled" pref - * - If "unified" is false then "enabled" controls the telemetry module - * - If "unified" is true then "enabled" only controls whether to record extended data - * [NOTE] "toolkit.telemetry.enabled" is now LOCKED to reflect prerelease (true) or release builds (false) [2] - * [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html - * [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/ -user_pref("toolkit.telemetry.unified", false); -user_pref("toolkit.telemetry.enabled", false); // see [NOTE] -user_pref("toolkit.telemetry.server", "data:,"); -user_pref("toolkit.telemetry.archive.enabled", false); -user_pref("toolkit.telemetry.newProfilePing.enabled", false); // [FF55+] -user_pref("toolkit.telemetry.shutdownPingSender.enabled", false); // [FF55+] -user_pref("toolkit.telemetry.updatePing.enabled", false); // [FF56+] -user_pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter -user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+] -/* 8503: disable Telemetry Coverage - * [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/ -user_pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF] -user_pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF] -user_pref("toolkit.coverage.endpoint.base", ""); - -/*** [SECTION 9000]: NON-PROJECT RELATED ***/ user_pref("_user.js.parrot", "9000 syntax error: the parrot's cashed in 'is chips!"); -/* 9001: disable welcome notices ***/ -user_pref("browser.startup.homepage_override.mstone", "ignore"); // [HIDDEN PREF] -/* 9002: disable General>Browsing>Recommend extensions/features as you browse [FF67+] ***/ -user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); -user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); -/* 9004: disable search terms [FF110+] - * [SETTING] Search>Search Bar>Use the address bar for search and navigation>Show search terms instead of URL... ***/ -user_pref("browser.urlbar.showSearchTerms.enabled", false); +/* WELCOME & WHAT'S NEW NOTICES ***/ +user_pref("browser.startup.homepage_override.mstone", "ignore"); // master switch + // user_pref("startup.homepage_welcome_url", ""); + // user_pref("startup.homepage_welcome_url.additional", ""); + // user_pref("startup.homepage_override_url", ""); // What's New page after updates +/* WARNINGS ***/ + // user_pref("browser.tabs.warnOnClose", false); // [DEFAULT false FF94+] + // user_pref("browser.tabs.warnOnCloseOtherTabs", false); + // user_pref("browser.tabs.warnOnOpen", false); + // user_pref("browser.tabs.warnOnQuitShortcut", false); // [FF94+] + // user_pref("full-screen-api.warning.delay", 0); + // user_pref("full-screen-api.warning.timeout", 0); +/* APPEARANCE ***/ + // user_pref("browser.download.autohideButton", false); // [FF57+] + // user_pref("ui.systemUsesDarkTheme", 1); // [FF67+] [HIDDEN PREF] + // 0=light, 1=dark: with RFP this only affects chrome + // user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // [FF68+] allow userChrome/userContent + // user_pref("ui.prefersReducedMotion", 1); // disable chrome animations [FF77+] [RESTART] [HIDDEN PREF] + // 0=no-preference, 1=reduce: with RFP this only affects chrome +/* CONTENT BEHAVIOR ***/ + // user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type" + // user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX] + // user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line +/* UX BEHAVIOR ***/ + // user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing + // user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+] + // user_pref("browser.tabs.closeWindowWithLastTab", false); + // user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+] + // user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+] + // user_pref("general.autoScroll", false); // middle-click enabling auto-scrolling [DEFAULT: false on Linux] + // user_pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART] + // user_pref("view_source.tab", false); // view "page/selection source" in a new window [FF68+, FF59 and under] +/* UX FEATURES ***/ +user_pref("browser.messaging-system.whatsNewPanel.enabled", false); // What's New toolbar icon [FF69+] + // user_pref("extensions.pocket.enabled", false); // Pocket Account [FF46+] + // user_pref("extensions.screenshots.disabled", true); // [FF55+] + // user_pref("identity.fxaccounts.enabled", false); // Firefox Accounts & Sync [FF60+] [RESTART] + // user_pref("reader.parse-on-load.enabled", false); // Reader View +/* OTHER ***/ + // user_pref("browser.bookmarks.max_backups", 2); +user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); // disable CFR [FF67+] + // [SETTING] General>Browsing>Recommend extensions as you browse +user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); // disable CFR [FF67+] + // [SETTING] General>Browsing>Recommend features as you browse + // user_pref("network.manage-offline-status", false); // see bugzilla 620472 + // user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR) -/*** [SECTION 9999]: DEPRECATED / RENAMED ***/ +/*** [SECTION 9999]: DEPRECATED / REMOVED / LEGACY / RENAMED + Documentation denoted as [-]. Items deprecated in FF78 or earlier have been archived at [1] + [1] https://github.com/arkenfox/user.js/issues/123 +***/ user_pref("_user.js.parrot", "9999 syntax error: the parrot's shuffled off 'is mortal coil!"); -/* ESR128.x still uses all the following prefs -// [NOTE] replace the * with a slash in the line above to re-enable active ones -// FF132 -/* 2617: remove webchannel whitelist - // [-] https://bugzilla.mozilla.org/1275612 - // user_pref("webchannel.allowObject.urlWhitelist", ""); +/* ESR91.x still uses all the following prefs +// [NOTE] replace the * with a slash in the line above to re-enable them +// FF93 +// 7003: disable non-modern cipher suites + // [-] https://bugzilla.mozilla.org/1724072 + // user_pref("security.ssl3.rsa_des_ede3_sha", false); // 3DES +// FF94 +// 1402: limit font visibility (Windows, Mac, some Linux) [FF79+] - replaced by new 1402 + // [-] https://bugzilla.mozilla.org/1715507 + // user_pref("layout.css.font-visibility.level", 1); +// ***/ + +/* ESR78.x still uses all the following prefs +// [NOTE] replace the * with a slash in the line above to re-enable them +// FF79 +// 0212: enforce fallback text encoding to match en-US + // When the content or server doesn't declare a charset the browser will + // fallback to the "Current locale" based on your application language + // [TEST] https://hsivonen.com/test/moz/check-charset.htm + // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/20025 + // [-] https://bugzilla.mozilla.org/1603712 +user_pref("intl.charset.fallback.override", "windows-1252"); +// FF82 +// 0206: disable geographically specific results/search engines e.g. "browser.search.*.US" + // i.e. ignore all of Mozilla's various search engines in multiple locales + // [-] https://bugzilla.mozilla.org/1619926 +user_pref("browser.search.geoSpecificDefaults", false); +user_pref("browser.search.geoSpecificDefaults.url", ""); +// FF86 +// 1205: disable SSL Error Reporting + // [1] https://firefox-source-docs.mozilla.org/main/65.0/browser/base/sslerrorreport/preferences.html + // [-] https://bugzilla.mozilla.org/1681839 +user_pref("security.ssl.errorReporting.automatic", false); +user_pref("security.ssl.errorReporting.enabled", false); +user_pref("security.ssl.errorReporting.url", ""); +// 2653: disable hiding mime types (Options>General>Applications) not associated with a plugin + // [-] https://bugzilla.mozilla.org/1581678 +user_pref("browser.download.hide_plugins_without_extensions", false); +// FF87 +// 0105d: disable Activity Stream recent Highlights in the Library [FF57+] + // [-] https://bugzilla.mozilla.org/1689405 + // user_pref("browser.library.activity-stream.enabled", false); +// 8002: disable PointerEvents + // [1] https://developer.mozilla.org/docs/Web/API/PointerEvent + // [-] https://bugzilla.mozilla.org/1688105 + // user_pref("dom.w3c_pointer_events.enabled", false); +// FF89 +// 0309: disable sending Flash crash reports + // [-] https://bugzilla.mozilla.org/1682030 [underlying NPAPI code removed] +user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false); +// 0310: disable sending the URL of the website where a plugin crashed + // [-] https://bugzilla.mozilla.org/1682030 [underlying NPAPI code removed] +user_pref("dom.ipc.plugins.reportCrashURL", false); +// 1243: block unencrypted requests from Flash on encrypted pages to mitigate MitM attacks [FF59+] + // [1] https://bugzilla.mozilla.org/1190623 + // [-] https://bugzilla.mozilla.org/1682030 [underlying NPAPI code removed] +user_pref("security.mixed_content.block_object_subrequest", true); +// 1803: disable Flash plugin + // 0=deactivated, 1=ask, 2=enabled + // ESR52.x is the last branch to fully support NPAPI, FF52+ stable only supports Flash + // [NOTE] You can still override individual sites via site permissions + // [-] https://bugzilla.mozilla.org/1682030 [underlying NPAPI code removed] +user_pref("plugin.state.flash", 0); // [DEFAULT: 1] +// FF90 +// 0708: disable FTP [FF60+] + // [-] https://bugzilla.mozilla.org/1574475 + // user_pref("network.ftp.enabled", false); // [DEFAULT: false FF88+] +// 7001: enforce no offline cache storage (appCache) [FF71+] + // [-] https://bugzilla.mozilla.org/1694662 +user_pref("browser.cache.offline.storage.enable", false); // [DEFAULT: false FF84+] // ***/ /* END: internal custom pref to test for syntax errors ***/ diff --git a/wikipiki/backup01.png b/wikipiki/backup01.png new file mode 100644 index 0000000..e10f1ea Binary files /dev/null and b/wikipiki/backup01.png differ diff --git a/wikipiki/concurrent01.png b/wikipiki/concurrent01.png new file mode 100644 index 0000000..60e0c4a Binary files /dev/null and b/wikipiki/concurrent01.png differ diff --git a/wikipiki/concurrent02.png b/wikipiki/concurrent02.png new file mode 100644 index 0000000..3571614 Binary files /dev/null and b/wikipiki/concurrent02.png differ diff --git a/wikipiki/concurrent03.png b/wikipiki/concurrent03.png new file mode 100644 index 0000000..9c97787 Binary files /dev/null and b/wikipiki/concurrent03.png differ diff --git a/wikipiki/concurrent04.png b/wikipiki/concurrent04.png new file mode 100644 index 0000000..04321df Binary files /dev/null and b/wikipiki/concurrent04.png differ diff --git a/wikipiki/icon-librewolf.png b/wikipiki/icon-librewolf.png deleted file mode 100644 index 0bb9299..0000000 Binary files a/wikipiki/icon-librewolf.png and /dev/null differ diff --git a/wikipiki/icon-mull.png b/wikipiki/icon-mull.png deleted file mode 100644 index d80042f..0000000 Binary files a/wikipiki/icon-mull.png and /dev/null differ diff --git a/wikipiki/icon-mullvadbrowser.png b/wikipiki/icon-mullvadbrowser.png deleted file mode 100644 index f5381b6..0000000 Binary files a/wikipiki/icon-mullvadbrowser.png and /dev/null differ diff --git a/wikipiki/icon-torbrowser.png b/wikipiki/icon-torbrowser.png deleted file mode 100644 index ad7e8d1..0000000 Binary files a/wikipiki/icon-torbrowser.png and /dev/null differ diff --git a/wikipiki/overview01.png b/wikipiki/overview01.png new file mode 100644 index 0000000..2c8f3b6 Binary files /dev/null and b/wikipiki/overview01.png differ diff --git a/wikipiki/overview02.png b/wikipiki/overview02.png new file mode 100644 index 0000000..28638fb Binary files /dev/null and b/wikipiki/overview02.png differ diff --git a/wikipiki/overview03.png b/wikipiki/overview03.png new file mode 100644 index 0000000..1219710 Binary files /dev/null and b/wikipiki/overview03.png differ diff --git a/wikipiki/profiles01.png b/wikipiki/profiles01.png new file mode 100644 index 0000000..c8ba7b2 Binary files /dev/null and b/wikipiki/profiles01.png differ diff --git a/wikipiki/profiles02.png b/wikipiki/profiles02.png new file mode 100644 index 0000000..71b3076 Binary files /dev/null and b/wikipiki/profiles02.png differ diff --git a/wikipiki/rfpCanvas.png b/wikipiki/rfpCanvas.png deleted file mode 100644 index 97488cc..0000000 Binary files a/wikipiki/rfpCanvas.png and /dev/null differ diff --git a/wikipiki/rfpCanvasException.png b/wikipiki/rfpCanvasException.png deleted file mode 100644 index 6889f80..0000000 Binary files a/wikipiki/rfpCanvasException.png and /dev/null differ diff --git a/wikipiki/uboCustom.png b/wikipiki/uboCustom.png deleted file mode 100644 index 2b8c443..0000000 Binary files a/wikipiki/uboCustom.png and /dev/null differ