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Date: Sat, 12 Feb 2005 16:27:43 -0500 (EST)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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To: Andre Oppermann <oppermann@networx.ch>
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cc: freebsd-net@FreeBSD.ORG
cc: "Li, Qing" <qing.li@bluecoat.com>
cc: freebsd-current@FreeBSD.ORG
Subject: Re: known TCP vulnerability ??
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<<On Fri, 11 Feb 2005 21:19:16 +0100, Andre Oppermann <oppermann@networx.ch> said:

> "Li, Qing" wrote:
>> Ran the packet tests against FreeBSD 5.3 and 6-CURRENT and both
>> respond to the SYN+FIN packets with SYN+ACK.

> This is expected behaviour because of FreeBSD used to implement T/TCP
> according to RFC1644.

Actually, it is expected behavior because FreeBSD used to implement
TCP according to RFC 793.

-GAWollman