From owner-freebsd-hackers Tue Dec 1 21:16:29 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA08970 for freebsd-hackers-outgoing; Tue, 1 Dec 1998 21:16:29 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from ns.mt.sri.com (sri-gw.MT.net [206.127.105.141]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA08965 for ; Tue, 1 Dec 1998 21:16:27 -0800 (PST) (envelope-from nate@mt.sri.com) Received: from mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.8/8.8.8) with SMTP id WAA03964; Tue, 1 Dec 1998 22:16:13 -0700 (MST) (envelope-from nate@rocky.mt.sri.com) Received: by mt.sri.com (SMI-8.6/SMI-SVR4) id WAA03722; Tue, 1 Dec 1998 22:16:11 -0700 Date: Tue, 1 Dec 1998 22:16:11 -0700 Message-Id: <199812020516.WAA03722@mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Daniel Eischen Cc: dillon@apollo.backplane.com, nate@mt.sri.com, hackers@FreeBSD.ORG, luigi@labinfo.iet.unipi.it Subject: Re: TCP bug In-Reply-To: <199812020245.VAA06152@pcnet1.pcnet.com> References: <199812020245.VAA06152@pcnet1.pcnet.com> X-Mailer: VM 6.34 under 19.16 "Lille" XEmacs Lucid Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > In trying to track down why some boxes in my network can't connect to > > certain WWW hosts, I determined that my FreeBSD is not routing the > > packets for some reason. It's receiving them, and the firewall code > > *thinks* it's passing them on, but tcpdump doesn't see these packets go > > out on the wire. > > I've got a router with 4 interfaces, both public and private, ipfw > and NATD, 2.2.7-stable and no problems. I did have similar problems > as you're describing, and it turned out that some of the systems on > one network didn't have the correct netmasks set. The strange thing is that 90% of the hosts on the net work. It's those remaining 10% that don't work for some reason. (The masks appear to be set correctly though, else I wouldn't be able to get any traffic to the boxes...) Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message