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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: trentbuck@gmail.com (Trent W. Buck)
Cc: emacs-devel@gnu.org
Subject: Re: Changing user agent on eww [OT]
Date: Thu, 23 Jan 2014 20:50:16 -0500	[thread overview]
Message-ID: <jwv61parw5k.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87ob32mf2a.fsf_-_@gmail.com> (Trent W. Buck's message of "Fri, 24 Jan 2014 10:52:29 +1100")

> Hmm... I wonder if https://panopticlick.eff.org/ rates "no UA" as being
> *more* identifiable than spoofing it to something commonplace? :-)

BTW, I was recently thinking about this "http header fingerprinting"
problem and was wondering if anybody has tried to randomize
their header.
More specifically, change part of the header for each request.
An obvious option is to add a counter to the "user-agent", and to add
a "blur" factor to the language options.

E.g. my "en-us,fr-ch;q=0.8,es-ar;q=0.6,en;q=0.4,de;q=0.2" appears to be very
rare, but if it keeps changing from
   en-us,fr-ch;q=0.80000234,es-ar;q=0.60000765,en;q=0.40000345,de;q=0.20000123
to en-us,fr-ch;q=0.80000983,es-ar;q=0.60000923,en;q=0.40000186,de;q=0.20000236
to ...
then a naive fingerprinting will be fooled into thinking it's coming
from a different user.


        Stefan



  reply	other threads:[~2014-01-24  1:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-18 13:10 Changing user agent on eww Vibhav Pant
2014-01-18 14:16 ` Rüdiger Sonderfeld
2014-01-18 17:02   ` Vibhav Pant
2014-01-23 23:52   ` Changing user agent on eww [OT] Trent W. Buck
2014-01-24  1:50     ` Stefan Monnier [this message]
2014-01-24  4:27       ` chad
2014-01-24 14:55       ` Richard Stallman
2014-01-24 16:13         ` Stefan Monnier
2014-01-25 13:27           ` Richard Stallman
2014-01-25 21:51             ` Stefan Monnier
2014-01-26 13:47             ` Simon Leinen
2014-01-26 14:35               ` Yuri Khan

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