From owner-cvs-all Sun Dec 17 10:56:31 2000 From owner-cvs-all@FreeBSD.ORG Sun Dec 17 10:56:27 2000 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from gw.nectar.com (gw.nectar.com [208.42.49.153]) by hub.freebsd.org (Postfix) with ESMTP id 39EFA37B400; Sun, 17 Dec 2000 10:56:27 -0800 (PST) Received: from hamlet.nectar.com (hamlet.nectar.com [10.0.1.102]) by gw.nectar.com (Postfix) with ESMTP id 38015193E1; Sun, 17 Dec 2000 12:56:26 -0600 (CST) Received: (from nectar@localhost) by hamlet.nectar.com (8.11.1/8.9.3) id eBHIuQJ62634; Sun, 17 Dec 2000 12:56:26 -0600 (CST) (envelope-from nectar@spawn.nectar.com) Date: Sun, 17 Dec 2000 12:56:26 -0600 From: "Jacques A. Vidrine" To: Poul-Henning Kamp Cc: Jesper Skriver , "Louis A. Mamakos" , Kris Kennaway , cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, security-officer@FreeBSD.ORG Subject: Re: cvs commit: src/sys/netinet ip_icmp.c tcp_subr.c tcp_var.h Message-ID: <20001217125625.A62616@hamlet.nectar.com> Mail-Followup-To: "Jacques A. Vidrine" , Poul-Henning Kamp , Jesper Skriver , "Louis A. Mamakos" , Kris Kennaway , cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, security-officer@FreeBSD.ORG References: <20001217182056.B34282@skriver.dk> <20051.977077048@critter> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20051.977077048@critter>; from phk@critter.freebsd.dk on Sun, Dec 17, 2000 at 07:17:28PM +0100 X-Url: http://www.nectar.com/ Sender: nectar@nectar.com Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sun, Dec 17, 2000 at 07:17:28PM +0100, Poul-Henning Kamp wrote: > In message <20001217182056.B34282@skriver.dk>, Jesper Skriver writes: > >> The Destination Unreachable ICMP message should include a copy of the > >> IP header plus 20 bytes of payload (TCP segment header) which you > >> could use to validate it. I only glanced briefly at the patch, and don't > >> know if that was being done or not. > > > >It doesn't, from what I could read, we only get the IP header, > > IP header + 8 bytes as far as Stevens... That's assuming no IP options (ignore those that do have options). Eight is Enough: 0 - 1 Source Port 2 - 3 Destination Port 4 - 7 TCP Sequence Number -- Jacques Vidrine / n@nectar.com / jvidrine@verio.net / nectar@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message