From owner-freebsd-security Fri Jan 21 23: 3:36 2000 Delivered-To: freebsd-security@freebsd.org Received: from ind.alcatel.com (postal.xylan.com [208.8.0.248]) by hub.freebsd.org (Postfix) with ESMTP id D045114DEF for ; Fri, 21 Jan 2000 23:03:29 -0800 (PST) (envelope-from wes@softweyr.com) Received: from mailhub.xylan.com (mailhub [198.206.181.70]) by ind.alcatel.com (8.9.3+Sun/8.9.1 (ind.alcatel.com 3.0 [OUT])) with SMTP id XAA25006; Fri, 21 Jan 2000 23:01:49 -0800 (PST) X-Origination-Site: Received: from omni.xylan.com by mailhub.xylan.com (SMI-8.6/SMI-SVR4 (mailhub 2.1 [HUB])) id XAA02218; Fri, 21 Jan 2000 23:01:49 -0800 Received: from softweyr.com (homer.softweyr.com [204.68.178.39]) by omni.xylan.com (8.9.3+Sun/8.9.1 (Xylan engr [SPOOL])) with ESMTP id XAA27358; Fri, 21 Jan 2000 23:00:23 -0800 (PST) Message-ID: <388956E2.4CECCB89@softweyr.com> Date: Sat, 22 Jan 2000 00:06:10 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 3.3-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Matthew Dillon Cc: Poul-Henning Kamp , Alfred Perlstein , Brett Glass , security@freebsd.org Subject: Re: stream.c worst-case kernel paths References: <7263.948497709@critter.freebsd.dk> <200001212353.PAA64927@apollo.backplane.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Matthew Dillon wrote: > > Sorry about that. I'm freaking out a little because we are too damn close > to release to be making any big changes to the network stack and protocols. > Frankly, big changes are not necessary. Right. It seems that simply dumping the multicast TCP packets earlier rather than later will avoid the worst effects of the attack. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message