From owner-freebsd-stable@FreeBSD.ORG Sun Nov 28 12:43:49 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 99CDF16A4CE for ; Sun, 28 Nov 2004 12:43:49 +0000 (GMT) Received: from server.interecho.com (server.interecho.com [213.25.86.88]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1AF0D43D5C for ; Sun, 28 Nov 2004 12:43:49 +0000 (GMT) (envelope-from my-buziaki@interecho.com) Received: from [192.168.3.13] (helo=localhost.localdomain) by server.interecho.com with esmtp (8.12.10/8.12.9) id 1CYONe-0006U7-Aw for ; Sun, 28 Nov 2004 13:42:18 +0100 From: Tomek Tylec To: freebsd-stable@freebsd.org Content-Type: text/plain Date: Sun, 28 Nov 2004 13:43:45 +0100 Message-Id: <1101645825.1130.13.camel@agape> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Subject: Network traffic: ttl X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Nov 2004 12:43:49 -0000 I found that gateway I use, sometimes receives packets from my FreeBSD 5.3 box with ttl 63. But when I dumped tcp packets (with tcpdump) that are send from my computer, they always got ttl 64. Moreover Linux (Fedora Core 2) running on same computer don't have such problems. Also older versions of FreeBSD (5.2.1 for example) work fine (ttl's are correct). It's specially important for me, because my ISP, that owns gateway, use simple method to check if he have illegal clients - firewall on gateway drops packets with odd ttl.