Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
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It's not deprecated.

Either it's an RFP alternative now that RFP indirectly covers it: i.e RFP prompts you on non en-US builds to spoof your language, and if you choose to spoof as en-US, then this solves that. If you're not spoofing your locale, then the pref has no significance.

Or we can remove it entirely: as I see no point in it TBH. If you're on en-US, then you're not leaking. If you use RFP + opt in to language spoofing, you're covered now. If you use RFP and opt out of language spoofing, then you're not leaking anything because you're telling the truth as per other language/locale metrics: i.e you don't need to spoof.

95% of me says we just remove the pref. 5% of me says - see what Earthlng thinks
2019-07-12 12:41:15 +00:00
.github/ISSUE_TEMPLATE Update troubleshooting-help.md (#749) 2019-06-28 02:30:10 +12:00
scratchpad-scripts layout.css.font-loading-api.enabled #744, #731 2019-06-12 13:35:05 +00:00
wikipiki Delete exceptions03.png 2019-05-08 09:19:55 +00:00
.gitattributes Update .gitattributes 2019-06-26 13:32:12 +00:00
.travis.yml Added Travis CI configuration 2017-03-01 00:11:05 +02:00
_config.yml Update _config.yml 2018-10-27 16:29:34 +00:00
LICENSE.txt Create LICENSE.txt 2017-02-18 08:57:08 +13:00
prefsCleaner.bat P*tches for B*tches (#483) 2018-08-12 11:56:47 +00:00
prefsCleaner.sh v1.1 regex fix (#409) 2018-04-25 22:56:54 +02:00
README.md Update README.md 2018-12-20 19:53:48 +00:00
updater.bat refactoring, mostly 2019-06-12 18:30:08 -03:00
updater.sh Update updater.sh (#618) 2019-01-25 14:28:00 +00:00
user.js Update user.js 2019-07-12 12:41:15 +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 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.

Note that we do not recommend connecting over Tor on Firefox. Use the Tor Browser if your threat model calls for it, or for accessing hidden services.

Also be aware that this user.js is made specifically for Firefox. Using it as-is in other Gecko-based browsers can be counterproductive, especially in the Tor Browser.

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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 additional JS hosted at GitLab

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