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

[Jann Horn]

On Mon, Mar 31, 2014 at 04:34:20PM -0800, I wrote:
> I don't understand but I really want secure relays.
> All my relays are on VPSs running Debian 6/7 64 and I only know enough Linux to get Tor going.
> Is being updated enough?

On Linux, that should be sufficient – looking at
<https://bugzilla.redhat.com/show_bug.cgi?id=186057>, it seems that the last
related issue on linux was fixed back in 2006.

I scanned a good portion of all the tor exit nodes now, this is the
distribution of operating systems for the suspicious-looking relays:

      1 Linux
      1 Windows 98
      1 Windows Server 2003 Service Pack 2 [server]
      1 Windows XP Service Pack 3 [workstation]
      2 Windows 8 [server]
      2 Windows Server 2003
      3 FreeBSD amd64
      3 Windows 7 Service Pack 1 [workstation]
      5 Windows 8
      5 Windows Vista [server]
     14 Windows Server 2003 [server]
     17 Windows Vista
     33 Windows 7 [server]
     37 FreeBSD
     50 Windows XP
    206 Windows 7

So, looks as if Windows and FreeBSD are the problems.
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