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document fonts -> inactive

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Thorin-Oakenpants 2019-04-22 12:00:46 +00:00 committed by GitHub
parent d41372a7f0
commit 59d056de27
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1 changed files with 3 additions and 4 deletions
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user.js
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@ -887,11 +887,10 @@ user_pref("security.insecure_connection_text.enabled", true); // [FF60+]
/*** [SECTION 1400]: FONTS ***/
user_pref("_user.js.parrot", "1400 syntax error: the parrot's bereft of life!");
/* 1401: disable websites choosing fonts (0=block, 1=allow)
* If you disallow fonts, this drastically limits/reduces font
* enumeration (by JS) which is a high entropy fingerprinting vector.
* [NOTE] Disabling fonts can uglify the web a fair bit.
* [WARNING] Blocking fonts can *sometimes* reduce JS font enumeration, but not entropy.
* There are also other methods to fingerprint fonts. Wait for RFP (4500) to cover this.
* [SETTING] General>Language and Appearance>Fonts & Colors>Advanced>Allow pages to choose... ***/
user_pref("browser.display.use_document_fonts", 0);
// user_pref("browser.display.use_document_fonts", 0);
/* 1402: set more legible default fonts
* [NOTE] Example below for Windows/Western only
* [SETTING] General>Language and Appearance>Fonts & Colors>Advanced>Serif|Sans-serif|Monospace ***/