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Firefox rolls out Total Cookie Protection by default to all desktop users worldwide | It is Firefox’s strongest privacy protection to date, confining cookies to the site where they were created (blog.mozilla.org)

submitted 2 months ago by ForgottenFlux@lemmy.world to c/technology@lemmy.world

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[–] jlh@lemmy.jlh.name 14 points 2 months ago (2 children)

Librewolf has Resist Fingerprinting which comes pretty far.

Every Librewolf browser uses the same windows user agent, etc. But there are downsides, like time zones don't work, and sites don't use dark mode by default.

And even then, EFF's Cover Your Tracks site can still uniquely identify me, mainly through window size. That's one of the reasons why Tor Browser uses letterboxing to make the window size consistent.

[–] DetachablePianist@lemmy.world 5 points 2 months ago (1 children)

Librewolf supports letterboxing as well, though the setting might be disabled by default

[–] jlh@lemmy.jlh.name 1 points 2 months ago* (last edited 2 months ago)

Oh neat! I just tried it, and it seems it's broken on Gnome when using 125% scaling though :/ Still cool to have the feature!

I also just figured out how to expose dark mode and my timezone though with RFP, which is useful.

[–] mitrosus@discuss.tchncs.de 3 points 2 months ago (1 children)

I don't know what letterboxing is. But if window size is used to identify me, can't it be circumvented simply by using the window in restored size, and not maximised?

[–] veniasilente@lemm.ee 3 points 2 months ago (1 children)

Your restored window size is even more unique than your maximised window size!

The correct solution is to just not make the window size available to JS or to remotes at all. There's no reason to ever need specifics on window size other than CSS media-queries, and those can be done via profiles.

[–] mitrosus@discuss.tchncs.de 1 points 2 months ago (1 children)

But the restored size keeps changing - can't be profiled, right?

And how do I not make the size available "to JS or to remote"?

[–] veniasilente@lemm.ee 1 points 2 months ago

Changing the source code of the browser, unfortunately. I don't know what Tor Browser does or how, but basically you'd have to do about the same as they do.