From owner-freebsd-ipfw@FreeBSD.ORG Thu Sep 4 11:47:53 2003 Return-Path: Delivered-To: freebsd-ipfw@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EC20416A4BF for ; Thu, 4 Sep 2003 11:47:53 -0700 (PDT) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7168043F85 for ; Thu, 4 Sep 2003 11:47:53 -0700 (PDT) (envelope-from billf@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1098) id 6827F2ED43F; Thu, 4 Sep 2003 11:47:53 -0700 (PDT) Date: Thu, 4 Sep 2003 11:47:53 -0700 From: Bill Fumerola To: Sten Daniel S?rsdal Message-ID: <20030904184753.GB57940@elvis.mu.org> References: <0AF1BBDF1218F14E9B4CCE414744E70F07DF28@exchange.wanglobal.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0AF1BBDF1218F14E9B4CCE414744E70F07DF28@exchange.wanglobal.net> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 4.8-MUORG-20030805 i386 cc: freebsd-ipfw@freebsd.org Subject: Re: verrevpath - denies local multicast. Is this intended? X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Sep 2003 18:47:54 -0000 On Fri, Aug 29, 2003 at 02:45:55PM +0200, Sten Daniel S?rsdal wrote: > > when using verrevpath it seems to drop local multicast packets suck as RIP2. > i use it as suggested; deny log ip from any to any not verrevpath > > logentry: > Aug 29 14:32:08 fictious /kernel: ipfw: 1011 Deny UDP 80.86.140.54:520 224.0.0.9:520 in via fxp1 > > does this mean it should deny multicast and broadcasts or that it really should > verify that the multicast path is correct? i won't speak to what it should do, but... just add a specific rule before '1011' that allows rip2 traffic to that multicast addr. use 224.0.0.0/4 if you don't want to deal with it again. -- - bill fumerola / fumerola@yahoo-inc.com / billf@FreeBSD.org