[153920] in North American Network Operators' Group
Re: ZOMG: IPv6 a plot to stymie FBI !!!11!ONE!
daemon@ATHENA.MIT.EDU (valdis.kletnieks@vt.edu)
Sun Jun 17 13:25:14 2012
To: Arturo Servin <arturo.servin@gmail.com>
In-Reply-To: Your message of "Sun, 17 Jun 2012 13:10:59 -0400."
<98B4B07E-3EAE-4F29-BC51-22152FBE2AA7@gmail.com>
From: valdis.kletnieks@vt.edu
Date: Sun, 17 Jun 2012 13:24:03 -0400
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Sun, 17 Jun 2012 13:10:59 -0400, Arturo Servin said:
> Wouldn't BCP38 help?
The mail I'm replying to has as the first Received: line:
Received: from ?IPv6:2800:af:ba30:e8cf:d06f:4881:973a:c68? ([2800:af:ba30:e8cf:d06f:4881:973a:c68]) by mx.google.com with ESMTPS id b8sm25918444anm.4.2012.06.17.10.11.04 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 17 Jun 2012 10:11:06 -0700 (PDT)
Obviously BCP38 doesn't help, as it's an established TCP connection so it can't be
spoofed traffic (gotta ACK Google's ISN from the SYN-ACK) - unless Google is silly
enough to *still* not be doing RFC1948 properly. I mean, Steve Bellovin wrote
that literally last century. ;)
So - who owns 2800:af:ba30:e8cf:4881:973a:c68? And how does an LEO
find that info quickly if they need to figure out who to hand a warrant to?
*THAT* is the problem that needs solving.
(And who *does* own that IP? I admit not knowing. ;)
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