From owner-freebsd-security@FreeBSD.ORG Wed Apr 21 15:10:21 2004 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D995316A4CE for ; Wed, 21 Apr 2004 15:10:21 -0700 (PDT) Received: from rwcrmhc13.comcast.net (rwcrmhc13.comcast.net [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id A0E1A43D45 for ; Wed, 21 Apr 2004 15:10:21 -0700 (PDT) (envelope-from garycor@comcast.net) Received: from comcast.net (pcp09118143pcs.union01.nj.comcast.net[69.142.234.88]) by comcast.net (rwcrmhc13) with SMTP id <2004042122102101500pv1nde> (Authid: garycor); Wed, 21 Apr 2004 22:10:21 +0000 Message-ID: <4086F156.7040808@comcast.net> Date: Wed, 21 Apr 2004 18:10:30 -0400 From: Gary Corcoran User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Gary Corcoran , freebsd-security@freebsd.org References: <6.0.3.0.0.20040420144001.0723ab80@209.112.4.2> <200404201332.40827.dr@kyx.net> <20040421111003.GB19640@lum.celabo.org> <6.0.3.0.0.20040421121715.04547510@209.112.4.2> <20040421165454.GB20049@lum.celabo.org> <6.0.3.0.0.20040421132605.0901bb40@209.112.4.2> <48FCF8AA-93CF-11D8-9C50-000393C94468@sarenet.es> <6.0.3.0.0.20040421161217.05453308@209.112.4.2> <75226E9B-93D3-11D8-90F9-003065ABFD92@mac.com> <4086E522.7090303@comcast.net> <20040421214445.GX476@seekingfire.com> <4086EED7.3070808@comcast.net> In-Reply-To: <4086EED7.3070808@comcast.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Other possible protection against RST/SYN attacks (was Re: TCP RST attack X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2004 22:10:22 -0000 > In any event, it still seems like a TTL of 255 is overkill for this application... Unless, of course, you want to only accept packets with TTL of 255. This might be fine when both ends are setup to work this way. But it might break general interoperability... Gary