[26838] in bugtraq
Re: IPv4 mapped address considered harmful
daemon@ATHENA.MIT.EDU (Anthony DeRobertis)
Tue Aug 27 15:36:34 2002
From: Anthony DeRobertis <asd@suespammers.org>
To: itojun@iijlab.net
In-Reply-To: <20020827071241.978DD4B22@coconut.itojun.org>
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Date: 27 Aug 2002 03:20:16 -0400
Message-Id: <1030432816.12279.20.camel@bohr>
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On Tue, 2002-08-27 at 03:12, itojun@iijlab.net wrote:
> the problem is that some protocol proposal do not consider IPv4 mapped
> address as "bogon" - they propose to actually use them in IPv6 traffic
> on wire.
They used to be bogons, so any currently existing bogon filters (e.g.,
in firewalls) will drop them. Only remove them from your bogon filters
when/if you decide you want them.
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