From owner-freebsd-bugs@FreeBSD.ORG Wed Aug 22 15:30:01 2007 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 AAF6116A418 for ; Wed, 22 Aug 2007 15:30:01 +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 8498013C45D for ; Wed, 22 Aug 2007 15:30:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.1/8.14.1) with ESMTP id l7MFU1l9086367 for ; Wed, 22 Aug 2007 15:30:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.1/8.14.1/Submit) id l7MFU1eh086366; Wed, 22 Aug 2007 15:30:01 GMT (envelope-from gnats) Resent-Date: Wed, 22 Aug 2007 15:30:01 GMT Resent-Message-Id: <200708221530.l7MFU1eh086366@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, Eric Kjeldergaard Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 422E916A417 for ; Wed, 22 Aug 2007 15:23:51 +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 2F7CA13C48E for ; Wed, 22 Aug 2007 15:23:51 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.1/8.14.1) with ESMTP id l7MFNosA074986 for ; Wed, 22 Aug 2007 15:23:51 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.1/8.14.1/Submit) id l7MFNoMj074985; Wed, 22 Aug 2007 15:23:50 GMT (envelope-from nobody) Message-Id: <200708221523.l7MFNoMj074985@www.freebsd.org> Date: Wed, 22 Aug 2007 15:23:50 GMT From: Eric Kjeldergaard To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/115725: pf nat -> ($if) works only intermittently X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Aug 2007 15:30:01 -0000 >Number: 115725 >Category: kern >Synopsis: pf nat -> ($if) works only intermittently >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Aug 22 15:30:01 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Eric Kjeldergaard >Release: 6.2-RELEASE >Organization: >Environment: FreeBSD fluffy.dname.net 6.2-RELEASE FreeBSD 6.2-RELEASE #3: Fri May 4 11:22:03 CDT 2007 root@fluffy.dname.net:/usr/obj/usr/src/sys/FLUFFY i386 >Description: rc.conf network configuration and jail configuration: # network setup ifconfig_re0="inet 10.1.1.9 netmask 255.255.255.0 media 100baseTX mediaopt full-duplex" defaultrouter="10.1.1.1" # FreeNX Jail setup jail_freenx_rootdir="/jails/FreeNXJail" jail_freenx_hostname="freenx.fluffy.dname.net" jail_freenx_interface="re0" jail_freenx_ip="192.168.1.2" jail_freenx_procfs_enable="YES" jail_freenx_devfs_enable="YES" jail_freenx_devfs_ruleset="devfsrules_jail" jail_freenx_mount_enable="NO" pf rules: ext_if="re0" freenx_jail_ip="192.168.1.2" nat pass on $ext_if from $freenx_jail_ip to any -> ($ext_if) When I then jexec a shell in the jail and try to do things on the network, only 1 in 3 or so connections would work. Ideally they should have all worked. My solution follows, but it is a workaround for the bug. >How-To-Repeat: set up a jail as described and a pf conf as described. Try to access the network, it will fail most of the time by timing out. >Fix: This goes into pf.conf instead of what was shown above. ext_ip="10.1.1.9" nat pass on $ext_if from $freenx_jail_ip to any -> $ext_ip Now the networking works flawlessly. Unfortunately, this also limits my ability to change my external ip freely. >Release-Note: >Audit-Trail: >Unformatted: