From owner-freebsd-net Mon Feb 25 0: 2: 5 2002 Delivered-To: freebsd-net@freebsd.org Received: from whale.sunbay.crimea.ua (whale.sunbay.crimea.ua [212.110.138.65]) by hub.freebsd.org (Postfix) with ESMTP id D16BE37B402; Mon, 25 Feb 2002 00:01:58 -0800 (PST) Received: (from ru@localhost) by whale.sunbay.crimea.ua (8.11.6/8.11.2) id g1P81EJ29324; Mon, 25 Feb 2002 10:01:14 +0200 (EET) (envelope-from ru) Date: Mon, 25 Feb 2002 10:01:14 +0200 From: Ruslan Ermilov To: cjclark@alum.mit.edu Cc: Maxim Konovalov , net@FreeBSD.ORG, Robert Watson Subject: Re: TCP Connections to a Broadcast Address Message-ID: <20020225080114.GA28900@sunbay.com> References: <20020223042828.E16048@blossom.cjclark.org> <20020223154842.G31228-100000@news1.macomnet.ru> <20020224084921.GC31243@sunbay.com> <20020224102746.Q16048@blossom.cjclark.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020224102746.Q16048@blossom.cjclark.org> User-Agent: Mutt/1.3.27i Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Sun, Feb 24, 2002 at 10:27:46AM -0800, Crist J. Clark wrote: > On Sun, Feb 24, 2002 at 10:49:21AM +0200, Ruslan Ermilov wrote: > > On Sat, Feb 23, 2002 at 03:49:55PM +0300, Maxim Konovalov wrote: > > > On 04:28-0800, Feb 23, 2002, Crist J. Clark wrote: > > > > > > > On Sat, Feb 23, 2002 at 01:50:33PM +0200, Ruslan Ermilov wrote: > > > > [snip] > > > > > > > > > Nice catch! > > > > > > > > Igor M Podlesny , PR misc/35022, caught it. I just > > > > analyzed it. > > > > > > Isn't kern/19722 about the same bug? > > > > > Yes. > > I think there are some different issues raised in this PR too. Like > the discussion in another part of this thread, PR 19722 states that > you can reach the broadcast address of interfaces other than the one > to which the attacker is directly attached. I have not been able to > reproduce this. I think it was fixed by revision 1.181 of ip_input.c. > Nope, in revision 1.158. 1.181 only added hashed search optimizations. Cheers, -- Ruslan Ermilov Sysadmin and DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message