From owner-freebsd-hackers  Sat Jan  5  3:26:16 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from gvr.gvr.org (gvr.gvr.org [212.61.40.17])
	by hub.freebsd.org (Postfix) with ESMTP id A560437B416
	for <freebsd-hackers@freebsd.org>; Sat,  5 Jan 2002 03:26:13 -0800 (PST)
Received: by gvr.gvr.org (Postfix, from userid 657)
	id A891B5801; Sat,  5 Jan 2002 12:26:11 +0100 (CET)
Date: Sat, 5 Jan 2002 12:26:11 +0100
From: Guido van Rooij <guido@gvr.org>
To: Terry Lambert <tlambert2@mindspring.com>
Cc: William Carrel <william.carrel@infospace.com>,
	freebsd-hackers@freebsd.org
Subject: Re: path_mtu_discovery
Message-ID: <20020105112611.GA70493@gvr.gvr.org>
References: <26E71536-013D-11D6-8ED3-003065D5E9A4@infospace.com> <3C36149B.B9C02DCF@mindspring.com> <20020104223235.GA64301@gvr.gvr.org> <3C3636B1.4D5F42A4@mindspring.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <3C3636B1.4D5F42A4@mindspring.com>
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

On Fri, Jan 04, 2002 at 03:11:45PM -0800, Terry Lambert wrote:
> 
> I knew that I could multiply the number of packets sent by a
> factor of 5... I was pointing out a flaw in the idea of allowing
> path MTU ICMP back in, unconditionally...

Thre is nothing 'unconditionally' in ipfilter. The IP packetheader and
the first 8 bytes of the UDP/ICMP/TCP header are examined and checked
if they match a valid state entry.

-Guido

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