From owner-freebsd-net@FreeBSD.ORG Fri Mar 14 10:15:08 2008 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 58284106566B for ; Fri, 14 Mar 2008 10:15:08 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from mail.cksoft.de (mail.cksoft.de [62.111.66.27]) by mx1.freebsd.org (Postfix) with ESMTP id 3524A8FC14 for ; Fri, 14 Mar 2008 10:15:07 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from localhost (amavis.str.cksoft.de [192.168.74.71]) by mail.cksoft.de (Postfix) with ESMTP id 291D141C730; Fri, 14 Mar 2008 11:15:06 +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 16XDt49L5vGX; Fri, 14 Mar 2008 11:15:05 +0100 (CET) Received: by mail.cksoft.de (Postfix, from userid 66) id C18CA41C729; Fri, 14 Mar 2008 11:15:05 +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 46E7044487F; Fri, 14 Mar 2008 10:11:06 +0000 (UTC) Date: Fri, 14 Mar 2008 10:11:06 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: Mike Silbersack In-Reply-To: <20080314005224.S65945@odysseus.silby.com> Message-ID: <20080314100707.F50685@maildrop.int.zabbadoz.net> References: <20080312231330.D60219@odysseus.silby.com> <20080312232607.J60219@odysseus.silby.com> <20080313154547.F50685@maildrop.int.zabbadoz.net> <20080314005224.S65945@odysseus.silby.com> 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 options order changed in FreeBSD 7, incompatible with some routers 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: Fri, 14 Mar 2008 10:15:08 -0000 On Fri, 14 Mar 2008, Mike Silbersack wrote: > On Thu, 13 Mar 2008, Bjoern A. Zeeb wrote: > >> It should give you output like this: >> >> > 19549200,sackOK,eol,0x01[bad padding]> > > I like the [bad padding]. :-) >> > 19641135,sackOK,eol,0x00> > > But I think the "good" case should look like it did before, per POLA. Ok, I am only printing it in case bad padding happens or one gave -v. The new patch is here: http://sources.zabbadoz.net/freebsd/patchset/20080314-01-tcpdump-print-tcp-option-padding.diff -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT Software is harder than hardware so better get it right the first time.