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Re: [tor-relays] Lots of tor relays send out sequential IP IDs; please fix that!



On Tue, 1 Apr 2014 02:56:38 +0200
Jann Horn <jann@xxxxxxxxx> wrote:

> I scanned a good portion of all the tor exit nodes now, this is the
> distribution of operating systems for the suspicious-looking relays:
> ...
> So, looks as if Windows and FreeBSD are the problems.

Good catch. On FreeBSD this can be tuned via sysctl...

sysctl -w net.inet.ip.random_id=1

... and added to /etc/sysctl.conf so that the setting is not lost on next
reboot. Default value for this tunable is 0.
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