From owner-freebsd-stable@FreeBSD.ORG Thu Jul 28 19:36:22 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1D9561065672 for ; Thu, 28 Jul 2011 19:36:22 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id D7EEE8FC20 for ; Thu, 28 Jul 2011 19:36:21 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id p6SJaJxW003919; Thu, 28 Jul 2011 15:36:19 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <4E31BA23.2060505@sentex.net> Date: Thu, 28 Jul 2011 15:36:03 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: sclark46@earthlink.net References: <4E31B1ED.1030701@earthlink.net> In-Reply-To: <4E31B1ED.1030701@earthlink.net> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.71 on IPv6:2607:f3e0:0:1::12 Cc: FreeBSD Stable Subject: Re: UDP Packet reassembly X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Jul 2011 19:36:22 -0000 On 7/28/2011 3:01 PM, Stephen Clark wrote: > Hello List, > > Could someone enlighten me as to when FreeBSD 6.3 does UDP packet > reassembly? > > I am having a problem where I am getting a fragmented udp packet (2 > pieces) everthing is > fine if I get the first frag first. but if the second frag comes first > then both fragments get dropped. > > I am using ipfilter and a bimap to redirect these packets to a host > inside of the FreeBSD box, > so I suspicion it is ipfilter causing the drops. Not sure, but you try pf instead ? And use scrub log fragment reassemble ---Mike > > I know, I know 6.3 is ancient history, but any insight would be > appreciated. > > Thank, > Steve > -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/