From owner-freebsd-questions@FreeBSD.ORG Fri Apr 15 23:06:23 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9DE3C16A4CE for ; Fri, 15 Apr 2005 23:06:23 +0000 (GMT) Received: from mx1.mail.ru (mx1.mail.ru [194.67.23.121]) by mx1.FreeBSD.org (Postfix) with ESMTP id 52B1043D60 for ; Fri, 15 Apr 2005 23:06:23 +0000 (GMT) (envelope-from infofarmer@mail.ru) Received: from [83.237.61.165] (port=3190 helo=[172.17.0.69]) by mx1.mail.ru with asmtp id 1DMZtG-000BBx-00 for freebsd-questions@freebsd.org; Sat, 16 Apr 2005 03:06:22 +0400 Message-ID: <426048EE.2010201@mail.ru> Date: Sat, 16 Apr 2005 03:06:22 +0400 From: "Andrew P." User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: FreeBSD-Questions Questions Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit Subject: Local interface address pinged not via loopback? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: infofarmer@mail.ru List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Apr 2005 23:06:23 -0000 Hello, satbsd# ifconfig tun0 tun0: flags=8051 mtu 1480 inet 83.237.61.165 --> 83.237.61.1 netmask 0xffffffff Opened by PID 74104 satbsd# ping 83.237.61.165 PING 83.237.61.165 (83.237.61.165): 56 data bytes ^C --- 83.237.61.165 ping statistics --- 2 packets transmitted, 0 packets received, 100% packet loss satbsd# tail -n1 /var/log/security Apr 16 02:57:27 satbsd kernel: ipfw: 120 Deny ICMP:8.0 83.237.61.165 83.237.61.165 in via tun0 Why does the packet go through tun0, not through lo0? I was sure most IP stacks wouldn't even touch non- loopback interfaces if the destination address matched one of a local interface. Did I miss something?