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Mozilla Firefox gets new anti-fingerprinting defenses (www.bleepingcomputer.com)
submitted 1 year ago by to c/privacy@programming.dev
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[–] 3 points 1 year ago (5 children)

Very good to see these changes, but could somebody explain this one to me? I don't understand how that helps with fingerprinting protection...

The available screen resolution is the screen height minus 48 pixels.

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  • [–] 7 points 1 year ago (4 children)

    If I had to guess is because you can be tracked by your screen resolution too, It's just a way to minimize that. If you start tor browser, for example, it does not open full screen but only occupy a smaller window, for the same reason

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  • [–] 7 points 1 year ago

    You can be, duckduckgo was accurately profiling my location from resolution. Librewolf has a setting called letterboxing that fixes this, but you have to turn it on in about:config. Once I did, duckduckgo's profile wasn't accurate anymore.

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  • [–] 4 points 1 year ago (2 children)

    You absolutely can be tracked by screen resolution, especially when using a monitor with unusual resolution (few years ago I was still using 1440x900 so I understand this well). I just don't understand how this specific change would help prevent that.

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  • [–] 6 points 1 year ago

    At one point, years ago, they were talking about removing the screen resolution entirely, and just make it a copy of the window size values instead.

    Guessing it broke too much stuff, since it seemed like a nice idea but never eventuated.

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