From owner-freebsd-doc@FreeBSD.ORG Thu Aug 31 06:10:19 2006 Return-Path: X-Original-To: freebsd-doc@hub.freebsd.org Delivered-To: freebsd-doc@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8619916A4EA for ; Thu, 31 Aug 2006 06:10:19 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5156543D46 for ; Thu, 31 Aug 2006 06:10:14 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k7V6AE7R099422 for ; Thu, 31 Aug 2006 06:10:14 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k7V6ADL2099421; Thu, 31 Aug 2006 06:10:13 GMT (envelope-from gnats) Resent-Date: Thu, 31 Aug 2006 06:10:13 GMT Resent-Message-Id: <200608310610.k7V6ADL2099421@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-doc@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Eugene Grosbein Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0168E16A4DA for ; Thu, 31 Aug 2006 06:06:09 +0000 (UTC) (envelope-from sa@nkz.delikates-nk.ru) Received: from nkz.delikates-nk.ru (nkz.delikates-nk.ru [81.16.143.102]) by mx1.FreeBSD.org (Postfix) with ESMTP id F38F543D4C for ; Thu, 31 Aug 2006 06:06:07 +0000 (GMT) (envelope-from sa@nkz.delikates-nk.ru) Received: from nkz.delikates-nk.ru (localhost [127.0.0.1]) by nkz.delikates-nk.ru (8.13.6/8.13.6) with ESMTP id k7V6637V004582 for ; Thu, 31 Aug 2006 14:06:04 +0800 (KRAST) (envelope-from sa@nkz.delikates-nk.ru) Received: (from root@localhost) by nkz.delikates-nk.ru (8.13.6/8.13.6/Submit) id k7V663Vm004581; Thu, 31 Aug 2006 14:06:03 +0800 (KRAST) (envelope-from sa) Message-Id: <200608310606.k7V663Vm004581@nkz.delikates-nk.ru> Date: Thu, 31 Aug 2006 14:06:03 +0800 (KRAST) From: Eugene Grosbein To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: docs/102719: [patch] ng_bpf(4) example leads to unneeded promiscuos mode activation X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Aug 2006 06:10:19 -0000 >Number: 102719 >Category: docs >Synopsis: [patch] ng_bpf(4) example leads to unneeded promiscuos mode activation >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Thu Aug 31 06:10:12 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Eugene Grosbein >Release: FreeBSD 6.1-STABLE i386 >Organization: Svyaz Service JSC >Environment: System: FreeBSD nkz.delikates-nk.ru 6.1-STABLE FreeBSD 6.1-STABLE #0: Wed Aug 16 20:09:18 KRAST 2006 sa@nkz.delikates-nk.ru:/home/obj/home/src/sys/NKZ i386 >Description: ng_bpf(4) teaches to use tcpdump(1) to generate raw BPF instructions. However, the exact command line does not include '-p' option. This may activate promiscous mode on first ethernet interface, if any. This is not needed and should not happen. >How-To-Repeat: Use example from bg_bpf(4) manual page and see pair of 'promiscuous mode enabled/promiscuous mode disabled' messages in the kernel log. >Fix: --- src/share/man/man4/ng_bpf.4.orig Sat Feb 5 18:31:31 2005 +++ src/share/man/man4/ng_bpf.4 Thu Aug 31 13:49:15 2006 @@ -170,7 +170,7 @@ } xxENDxx -BPFPROG=`tcpdump -s 8192 -ddd ${PATTERN} | awk -f /tmp/bpf.awk` +BPFPROG=`tcpdump -s 8192 -i lo0 -p -ddd ${PATTERN} | awk -f /tmp/bpf.awk` ngctl msg ${NODEPATH} setprogram { thisHook=\\"${INHOOK}\\" \\ ifMatch=\\"${MATCHHOOK}\\" \\ >Release-Note: >Audit-Trail: >Unformatted: