From owner-freebsd-net@FreeBSD.ORG Sat Oct 2 10:00:25 2010 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 17AA71065670 for ; Sat, 2 Oct 2010 10:00:25 +0000 (UTC) (envelope-from jespasac@minibofh.org) Received: from gwgy.x.rootbsd.net (gwgy.x.rootbsd.net [204.109.59.162]) by mx1.freebsd.org (Postfix) with ESMTP id E56FA8FC19 for ; Sat, 2 Oct 2010 10:00:24 +0000 (UTC) Received: from c-043671d5.01-140-73746f22.cust.bredbandsbolaget.se (c-043671d5.01-140-73746f22.cust.bredbandsbolaget.se [213.113.54.4]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by unicornio.localdomain (Postfix) with ESMTPSA id DDA8986510 for ; Sat, 2 Oct 2010 11:47:08 +0200 (CEST) Message-ID: <4CA6FF9A.9090502@minibofh.org> Date: Sat, 02 Oct 2010 11:47:06 +0200 From: Jordi Espasa Clofent User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; es-ES; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: freebsd-net@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Subject: TCP 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: Sat, 02 Oct 2010 10:00:25 -0000 Hi all, I've read this interesting article: http://www.packetstan.com/2010/09/openbsd-timestamps.html The question is simple żIs there some way in FreeBSD to randomize the TCP timestamps as OpenBSD does by default? I guess some sysctl statement should do it, but I don't know. Thanks. -- I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.