[92364] in North American Network Operators' Group
Re: IPv6 PI block is announced - update your filters 2620:0000::/23
daemon@ATHENA.MIT.EDU (Randy Bush)
Fri Sep 15 18:37:33 2006
Date: Fri, 15 Sep 2006 12:34:53 -1000
From: Randy Bush <randy@psg.com>
To: Peter Corlett <abuse@cabal.org.uk>
Cc: nanog@merit.edu
In-Reply-To: <29707D87-C951-47B1-BC3D-BA56F23B1F00@cabal.org.uk>
Errors-To: owner-nanog@merit.edu
> Call me naive, but could somebody enlighten me as to what tangible
> benefit filtering out bogon space actually achieves? It strikes me that
> it causes more headaches than it solves.
the theory is that it means you have no route to send responses back to
an attacker who uses tcp, i.e. a spammer.
the practice is that spammers use holes or super-blocks of allocated,
i.e. not bogon, space. they are not stupid.
so your point is well taken.
randy
