From owner-freebsd-security  Thu Jan 20 21:38:41 2000
Delivered-To: freebsd-security@freebsd.org
Received: from cairo.anu.edu.au (cairo.anu.edu.au [150.203.224.11])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8E62615450; Thu, 20 Jan 2000 21:38:27 -0800 (PST)
	(envelope-from avalon@cairo.anu.edu.au)
Received: (from avalon@localhost)
	by cairo.anu.edu.au (8.9.3/8.9.3) id QAA04706;
	Fri, 21 Jan 2000 16:34:26 +1100 (EST)
From: Darren Reed <avalon@coombs.anu.edu.au>
Message-Id: <200001210534.QAA04706@cairo.anu.edu.au>
Subject: Re: bugtraq posts: stream.c - new FreeBSD exploit?
To: mi@kot.ne.mediaone.net (Mikhail Teterin)
Date: Fri, 21 Jan 2000 16:34:26 +1100 (Australia/NSW)
Cc: avalon@coombs.anu.edu.au (Darren Reed),
	brett@lariat.org (Brett Glass), imp@village.org (Warner Losh),
	jamiE@arpa.com (jamiE rishaw - master e*tard),
	tom@uniserve.com (Tom), mike@sentex.net (Mike Tancsa),
	freebsd-security@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG
In-Reply-To: <200001210531.AAA26807@rtfm.newton> from "Mikhail Teterin" at Jan 21, 2000 12:31:10 AM
X-Mailer: ELM [version 2.5 PL1]
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-security@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org

In some mail from Mikhail Teterin, sie said:
> 
> Darren Reed once stated:
> 
> =It isn't.  I said that for people who are using ipnat but not ipfilter.
> =
> =btw, I think the better way to write the 3 rules is:
> =
> =block in quick proto tcp from any to any head 100
> =pass in quick proto tcp from any to any flags S keep state group 100
> =pass in all
> 
> Can a similar rule be created for ipfw? Thanks!

Unless ipfw has stateful packet filtering, no.

Darren


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-security" in the body of the message