From owner-freebsd-stable Thu Nov 2 8:52: 2 2000 Delivered-To: freebsd-stable@freebsd.org Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.122.47]) by hub.freebsd.org (Postfix) with ESMTP id 8CEA737B4CF for ; Thu, 2 Nov 2000 08:52:00 -0800 (PST) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.10.1/8.10.1) with ESMTP id eA2Gptd04503; Thu, 2 Nov 2000 08:51:57 -0800 (PST) Date: Thu, 2 Nov 2000 08:51:55 -0800 (PST) From: Doug White To: Lauri Laupmaa Cc: "'stable@freebsd.org'" Subject: Re: TCP sequence prediction on freebsd In-Reply-To: <8E67E032AD23D4118F740050042F21F76F@lant.mbp.ee> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 2 Nov 2000, Lauri Laupmaa wrote: > Hi > > nmap reports something like: > > TCP Sequence Prediction: Class=random positive increments > > Difficulty=85682 (Worthy challenge) > > is this tcp sequence prediction really an security issue ? Don't trust the difficulty level, it fluctuates. Random positive increments is the Right Way(tm). Doug White | FreeBSD: The Power to Serve dwhite@resnet.uoregon.edu | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message