Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
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4500: RFP UA spoof stuff
Cleaning up the UA spoof stuff in the sticky, as a ticket was just closed (52 is now a temporary hard-coded value: 1418672 - I guess they're running out of time), so also cleaning up the info, and consistent layout

Two issues: The code to determine the ESR number is out of whack (by one) since the next ESR is 60. 59 stable is almost here. So they have decided to hard-code the value as 52, for now. The second issue is that Aurora/Nightly are ahead of stable/ESR and can thus unmask themselves as Aurora/Nightly. The hard-coded value for now also solves this.

If you follow the sticky for RFP, you will see there is a ticket for using the update channel information (eg stable, beta, dev, nightly etc) to determine when and how calculate the version spoof in future, and they'll also rejig the numbering algorithm to account for ESR being out by one. These are tickets https://bugzilla.mozilla.org/show_bug.cgi?id=1418162 and https://bugzilla.mozilla.org/show_bug.cgi?id=1428111
2018-02-28 12:10:05 +00:00
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user.js 4500: RFP UA spoof stuff 2018-02-28 12:10:05 +00:00

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 wiki page.

ghacks user.js

The ghacks user.js is a template, which, as provided, 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 implementation wiki page, as it contains important information regarding a few ghacks user.js settings.

Sitemap: Releases, changelogs, Wiki, stickies. diffs

acknowledgments

Literally thousands of sources, references and suggestions. That said...

  • Martin Brinkmann at ghacks 1
  • The ghacks community and commentators
  • 12bytes
    • The 12bytes article now uses this user.js and supplements it with an additonal JS hosted right here at github

1 The ghacks user.js was an independent project by Thorin-Oakenpants started in early 2015 and was first published at ghacks in August 2015. With Martin Brinkmann's blessing, it will keep the ghacks name.

License: MIT