From owner-freebsd-security Fri Jan 21 1:31:20 2000 Delivered-To: freebsd-security@freebsd.org Received: from smtp01.wxs.nl (smtp01.wxs.nl [195.121.6.61]) by hub.freebsd.org (Postfix) with ESMTP id 5069714F07 for ; Fri, 21 Jan 2000 01:31:18 -0800 (PST) (envelope-from asmodai@wxs.nl) Received: from daemon.ninth-circle.org ([195.121.196.86]) by smtp01.wxs.nl (Netscape Messaging Server 3.61) with ESMTP id AAA6505; Fri, 21 Jan 2000 10:31:15 +0100 Received: (from asmodai@localhost) by daemon.ninth-circle.org (8.9.3/8.9.3) id KAA06539; Fri, 21 Jan 2000 10:29:09 +0100 (CET) (envelope-from asmodai) Date: Fri, 21 Jan 2000 10:29:08 +0100 From: Jeroen Ruigrok/Asmodai To: Brett Glass Cc: Darren Reed , security@FreeBSD.ORG Subject: Re: stream.c worst-case kernel paths Message-ID: <20000121102908.A4494@daemon.ninth-circle.org> References: <4.2.2.20000120182425.01886ec0@localhost> <200001210417.PAA24853@cairo.anu.edu.au> <4.2.2.20000120212336.01882220@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <4.2.2.20000120212336.01882220@localhost>; from brett@lariat.org on Thu, Jan 20, 2000 at 09:27:16PM -0700 Organisation: Ninth-Circle Enterprises Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org -On [20000121 08:01], Brett Glass (brett@lariat.org) wrote: >At 09:17 PM 1/20/2000 , Darren Reed wrote: > >>Also, what about the simultaneous connection problem ? (both ends send >>SYN's to the other, same ports). > >The odds of the source ports being the same are minuscule. Wouldn't this >prevent a problem? Or am I misunderstanding the implications here? Stevens' TCPv1, Chapter 18.8. Although I am not sure about the implications of the exact same numbered source ports. If that is what Darren is saying. Could also be the same destination ports. -- Jeroen Ruigrok vd W/Asmodai asmodai@[wxs.nl|bart.nl|freebsd.org] Documentation nutter/B-rated Coder BSD: Technical excellence at its best The BSD Programmer's Documentation Project Ain't gonna spend the rest of my Life, quietly fading away... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message