FireFox ESR fingerprinting+

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N97
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FireFox ESR fingerprinting+

Post by N97 »

Having your puppy firewall is a good start, but the browser can be a SIGNIFICANT problem. about:config is your friend.

1.) autocomplete and typeaheadfind need to be FALSE.
2.) Telemetry needs to be FALSE except for addons and certs, urls to 127.0.0.1 ditto for send
3.) Fingerprint needs to be TRUE except 'block_mozAddonManager', logs to Warn.

4.) geo.enabled false
geo.prompt.open_system_prefs false
geo.provider.geoclue.always_high_accuracy false
geo.provider.network.url 127.0.0.1
geo.provider.use_geoclue false

5.) 'webgl.enable-debug-renderer-info' to FALSE (search-term DEBUG makes this the LAST ENTRY)

*** EDIT: add #6 ***

6.) TOSS Google
Search term safebrowse
false all, https = 127.0.0.1, empty the lists.
repeat for goog

https://browserleaks.com can help with ssl/tls... in FF the minimum is 4, but 3 is also acceptable if Forward Secrecy enabled

Regards N97

Last edited by N97 on Mon Mar 03, 2025 11:17 pm, edited 2 times in total.

From Netscape to AI scrape. We're running short of bandages.

darksun
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Re: FireFox ESR fingerprinting+

Post by darksun »

web browser fingerprinting is a complex topic, sure not black/white but with lots of shades and compromises.

If you are interested in browser fingerprinting have a look at the documentation of arkenfox https://github.com/arkenfox/user.js/ .

If you are really interested in protecting you from fingerprinting , as stated by experts in this topic and also here https://github.com/arkenfox/user.js/wik ... -or-Not%5D

The best any browser can confidently do, excluding Tor Browser and Mullvad Browser, is fool naive scripts.

I use Mullvad Web Browser and recommend it to everyone.
It is a Firefox fork and it is made by the joint collaboration of The TOR Browser (which now also have joined TAILS people) and Mullvad.

https://mullvad.net/en/download/browser/linux

It is already pre-configured to minimize/protect from fingerprinting, you install it and should not amend anything, just use it as it is post installation ; amending settings and/or installing further addons (extensions) increases your fingerprinting exposure. For further information just have a look at the official website.

To test your web browser fingerprint you can use this online tool https://coveryourtracks.eff.org/ . It has its limitations and sometimes has issues but as far as I know it is the best one available right now.

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N97
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Re: FireFox ESR fingerprinting+

Post by N97 »

FireFox esr is certainly useful with the tweaks mentioned. Don't be lazy, fix it. I note that FF will report 100% unique, BUT change evey time the browser closes then opens... thus altering the fingerprint EVERY time. Of course hiding amongst the common is tantamount to Chrome/Android w/o security at all. Just where the GooGman wants you to be!!!

The EFF site is OK, but BROWSERLEAKS is VERY detailed... try it darksun!!!

From Netscape to AI scrape. We're running short of bandages.

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Re: FireFox ESR fingerprinting+

Post by N97 »

Orig. post edited.

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