From owner-freebsd-security@FreeBSD.ORG  Wed Jul  6 04:23:51 2005
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From: "fooler" <fooler@skyinet.net>
To: "Darren Reed" <avalon@caligula.anu.edu.au>,
	"Richard Coleman" <rcoleman@criticalmagic.com>
References: <200507060356.j663ucHE011742@caligula.anu.edu.au>
Date: Wed, 6 Jul 2005 12:23:59 +0800
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Cc: freebsd-security@freebsd.org,
	=?iso-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>,
	Darren Reed <avalon@caligula.anu.edu.au>,
	Jesper Wallin <jesper@www.hackunite.net>,
	Garrett Wollman <wollman@csail.mit.edu>
Subject: Re: packets with syn/fin vs pf_norm.c
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----- Original Message ----- 
From: "Darren Reed" <avalon@caligula.anu.edu.au>
To: "Richard Coleman" <rcoleman@criticalmagic.com>
Cc: <freebsd-security@freebsd.org>; "Garrett Wollman"
<wollman@csail.mit.edu>; "Jesper Wallin" <jesper@www.hackunite.net>; "Darren
Reed" <avalon@caligula.anu.edu.au>; "Dag-Erling Smørgrav" <des@des.no>
Sent: Wednesday, July 06, 2005 11:56 AM
Subject: Re: packets with syn/fin vs pf_norm.c


> In some mail from Richard Coleman, sie said:
> > 1. I thought that T/TCP was being removed from FreeBSD (already
happened?).
> > 2. It's trivial to predict Theo's response to this.
> > 3. Since T/TCP is rare, there is little motivation to alter scrub to
> > function differently than OpenBSD with respect to these packets.  If
> > someone really needs this, there are plenty of alternatives.
>
> I didn't know about (1) but I'd agree with (2) and (3).

even if T/TCP was remove, sending SYN + DATA + FIN is still legal...

fooler.