From owner-freebsd-net@FreeBSD.ORG Sun Feb 6 10:36:13 2011 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 3D5501065673 for ; Sun, 6 Feb 2011 10:36:13 +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 EBFFD8FC16 for ; Sun, 6 Feb 2011 10:36:12 +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 p16AaAQ7018702 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sun, 6 Feb 2011 05:36:11 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <4D4E799A.50902@sentex.net> Date: Sun, 06 Feb 2011 05:36:10 -0500 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: Jason Fesler References: In-Reply-To: X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on IPv6:2607:f3e0:0:1::12 Cc: freebsd-net@freebsd.org Subject: Re: MSS rewrite / MSS clamping? 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: Sun, 06 Feb 2011 10:36:13 -0000 On 2/5/2011 11:07 PM, Jason Fesler wrote: > I'm in search of MSS clamping for FreeBSD servers; in particular, for > IPv6. I'm finding pretty much nothing (except iptables..) on the net. Hi, I am curious as to where you would be running into MTU issues on IPv6 where you would need to manually compensate ? Broken tunnel providers ? ---Mike -- ------------------- 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/