Re: [tor-talk] Tor browser can be fingerprinted

[harmony <harmony01@xxxxxxxxxx>]

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harmony:
> Mike Perry:
> 
>> Your Tor Browser should *not* be maximizing itself during New 
>> Identity. It should be setting its content window to a 200x100 
>> multiple.
> 
>> I've never seen one maximize for that step. Does that always
>> happen for you? Sounds like a bug caused by something about your
>> setup. Does it happen with a fresh bundle in a new directory? Do
>> you mind sharing your monitor resolution?
> 
> 
> I think I once again have Ubuntu Unity to thank. All evidence
> suggests that windows which try to open at 75% of screen size or
> over are automatically maximized (it used to be 60%!), and since my
> computer screen is quite small I assume this is what Tor Browser is
> trying to do. Apparently you can alter this by changing some
> experimental setting in the bowels of compiz, but really this is
> just another incentive to start using some other desktop.
> 
> It strikes me that if the window size is really the only variable 
> piece of information that Tor Browser exposes to the internet at 
> large, it isn't a good idea to leave hapless Ubuntu users with
> small computers to fend for themselves (i.e. learn how to install
> another desktop environment). Until there's progress on #7255, do
> you think there should be at least a verbal warning about this
> somewhere?
> 

Coda: I've altered the 'automaximize value' in
compizconfig-settings-manager to 100% and Tor Browser now behaves
itself in Unity. I've opened #9738 as I think this is sufficiently
different from the more general concern reported in #7255 that it
needs its own mention, but feel free to close it if you disagree.

GNOME's windows have such colossal title bars that I can't actually
tell whether or not it's opening at the right size; it just fills my
screen anyway.
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