From owner-freebsd-bugs@FreeBSD.ORG Sat Apr 12 09:30:03 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 51B531065671 for ; Sat, 12 Apr 2008 09:30:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 3F13E8FC17 for ; Sat, 12 Apr 2008 09:30:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m3C9U3e7066420 for ; Sat, 12 Apr 2008 09:30:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m3C9U3DN066417; Sat, 12 Apr 2008 09:30:03 GMT (envelope-from gnats) Resent-Date: Sat, 12 Apr 2008 09:30:03 GMT Resent-Message-Id: <200804120930.m3C9U3DN066417@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Sergey Zabolotny Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F0910106564A for ; Sat, 12 Apr 2008 09:24:30 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id EE3538FC12 for ; Sat, 12 Apr 2008 09:24:30 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m3C9OTHc068991 for ; Sat, 12 Apr 2008 09:24:29 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m3C9OS8l068978; Sat, 12 Apr 2008 09:24:28 GMT (envelope-from nobody) Message-Id: <200804120924.m3C9OS8l068978@www.freebsd.org> Date: Sat, 12 Apr 2008 09:24:28 GMT From: Sergey Zabolotny To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/122685: It is not visible passing packets in tcpdump X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Apr 2008 09:30:03 -0000 >Number: 122685 >Category: misc >Synopsis: It is not visible passing packets in tcpdump >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Apr 12 09:30:02 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Sergey Zabolotny >Release: 7.0 >Organization: >Environment: FreeBSD gw.deadnet.net 7.0-RELEASE FreeBSD 7.0-RELEASE #10: Fri Apr 11 20:47:03 EEST 2008 Zuram@gw.deadnet.net:/usr/src/sys/i386/compile/gw.deadnet.net i386 >Description: There are two channels in the Internet. Default gateway through iface1. There is a rule in firewall: fwd ip_gw_iface2 ip from ip_iface2 to any out xmit iface1 do ping -S ip_iface1 mail.ru answers is, tcpdumpd shows sending requests and replays on the interface iface1. do ping -S ip_iface2 mail.ru answers is, tcpdumpd shows only answers on the interface iface2. requests I do not see neither on iface1 nor on iface2. >How-To-Repeat: ifconfig fxp0 inet 192.168.1.254/24 ifconfig fxp1 inet 192.168.2.254/24 route add default 192.168.1.1 ipfw add 1 fwd 192.168.2.1 ip from 192.168.2.254 to any out xmit fxp0 ipfw add 2 allow ip from any to any ping -S 192.168.2.254 mail.ru >/dev/null & tcpdump -ni fxp1 icmp tcpdump -ni fxp2 icmp >Fix: >Release-Note: >Audit-Trail: >Unformatted: