From owner-freebsd-net@FreeBSD.ORG Mon Nov 26 23:18:54 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D3EDE16A417 for ; Mon, 26 Nov 2007 23:18:54 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mail.cksoft.de (mail.cksoft.de [62.111.66.27]) by mx1.freebsd.org (Postfix) with ESMTP id 8F26513C458 for ; Mon, 26 Nov 2007 23:18:53 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from localhost (amavis.str.cksoft.de [192.168.74.71]) by mail.cksoft.de (Postfix) with ESMTP id F31C241C7A6; Tue, 27 Nov 2007 00:00:05 +0100 (CET) X-Virus-Scanned: amavisd-new at cksoft.de Received: from mail.cksoft.de ([62.111.66.27]) by localhost (amavis.str.cksoft.de [192.168.74.71]) (amavisd-new, port 10024) with ESMTP id WWw-S9vDSSIy; Tue, 27 Nov 2007 00:00:05 +0100 (CET) Received: by mail.cksoft.de (Postfix, from userid 66) id 82B0041C7A5; Tue, 27 Nov 2007 00:00:05 +0100 (CET) Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net [10.111.66.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.int.zabbadoz.net (Postfix) with ESMTP id 84B80444885; Mon, 26 Nov 2007 22:58:56 +0000 (UTC) Date: Mon, 26 Nov 2007 22:58:55 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: Nick Hilliard In-Reply-To: <474B24F3.2030603@netability.ie> Message-ID: <20071126224649.C53707@maildrop.int.zabbadoz.net> References: <474B24F3.2030603@netability.ie> X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-net@freebsd.org Subject: Re: tcp md5 checksums broken in 7.0-beta3 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Nov 2007 23:18:54 -0000 On Mon, 26 Nov 2007, Nick Hilliard wrote: Hi, > Are TCP MD5 checksums working at all in freebsd7.0-beta3? I've got two > physically identical machines, one running 6.2 and the other 7.0-beta3. > Both are running quagga 0.99.9 with the md5 patch. On the 6.2 box, packets > are being correctly tagged, according to tcpdump (with the print-tcp.c > memcmp() patch). ... > Looks like collateral damage from some other change to the tcp code between > 6.2 and 7.0. not that this should fix your problem but you might want to start with this patch: http://sources.zabbadoz.net/freebsd/patchset/sys-netinet-tcp-syncache.c-20071126-01.diff I'll try to find your bug the next days (in case you find anything let me know). I don't know how much quagga does these days but policies are setup correctly on both machines and you are not finding any failed SADB lookup warninge in dmesg on the 7 machine? -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT Software is harder than hardware so better get it right the first time.