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by coppsilgold
20 days ago
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It's not surprising that JS would out you, what I am wondering if whether or not volunteering OS information is foolish when it may not be possible to determine without JS. Why give up information when you don't have to? Some people disable JS at least some of the time. |
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Yeah, I generally agree with that viewpoint, but you are giving up that information, even without JS.
Your TCP stack can be fingerprinted through long enough observation. Windows, Mac, and Linux all look different on a network level. It's not as simple `if XYZ then OS = Windows`, it's more holistic/probabilistic, but it's possible nonetheless.
e.g. One thing that bugs me about arch linux is that they recently changed the kernel default TCP keepalive time to be shorter (much shorter[1]), making arch users stand out a lot. So, not only can a fingerprinter identify your OS, they might be able to pin down your exact distro based on TCP behavior alone.
I guess my point is that hiding the OS would be a massive amount of effort to plug a hole that cannot be plugged without effectively controlling the entire OS. TB/MVB is limited in what it can do by itself.
[1] https://rfc.archlinux.page/0051-tcp-keepalive/