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Cc: freebsd-security@FreeBSD.ORG, Jesper Wallin <jesper@www.hackunite.net>
Subject: Re: packets with syn/fin vs pf_norm.c
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<<On Mon, 04 Jul 2005 02:53:33 +0200, des@des.no (Dag-Erling Sm=F8rgrav=
) said:

> It is not invalid for a TCP segment to have both SYN and FIN set.  Se=
e
> for instance RFC 1644.

RFC 793 is perhaps the better reference, followed by RFC 1025.

-GAWollman