Date: Sun, 17 Dec 2000 12:56:26 -0600 From: "Jacques A. Vidrine" <n@nectar.com> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Jesper Skriver <jesper@skriver.dk>, "Louis A. Mamakos" <louie@TransSys.COM>, Kris Kennaway <kris@FreeBSD.ORG>, 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> In-Reply-To: <20051.977077048@critter>; from phk@critter.freebsd.dk on Sun, Dec 17, 2000 at 07:17:28PM %2B0100 References: <20001217182056.B34282@skriver.dk> <20051.977077048@critter>
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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
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