From owner-freebsd-bugs@FreeBSD.ORG Tue Sep 9 07:40:02 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 0A0031065680 for ; Tue, 9 Sep 2008 07:40:02 +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 DD7B38FC19 for ; Tue, 9 Sep 2008 07:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m897e12D036218 for ; Tue, 9 Sep 2008 07:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m897e1Je036217; Tue, 9 Sep 2008 07:40:01 GMT (envelope-from gnats) Resent-Date: Tue, 9 Sep 2008 07:40:01 GMT Resent-Message-Id: <200809090740.m897e1Je036217@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, Keith Waters Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ED3251065670 for ; Tue, 9 Sep 2008 07:31:13 +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 DE5B48FC0A for ; Tue, 9 Sep 2008 07:31:13 +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 m897VCQ1043711 for ; Tue, 9 Sep 2008 07:31:12 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m897VC4F043710; Tue, 9 Sep 2008 07:31:12 GMT (envelope-from nobody) Message-Id: <200809090731.m897VC4F043710@www.freebsd.org> Date: Tue, 9 Sep 2008 07:31:12 GMT From: Keith Waters To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/127233: ipnat + ipfilter source routing not handling ftp properly 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: Tue, 09 Sep 2008 07:40:02 -0000 >Number: 127233 >Category: kern >Synopsis: ipnat + ipfilter source routing not handling ftp properly >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 09 07:40:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Keith Waters >Release: 7.0-RELEASE >Organization: Keith Waters Consulting >Environment: 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >Description: Firewall has three NICs: sk0 (internal), sk1 (extenral ISP #1) and sk2 (external ISP #2) Default route is on sk1. Certain IPs on the internal network are NATted through to the second ISP (sk2) When doing a passive FTP, tcpdump shows the packets correctly going out sk2 with the correct source IP, but on doing a directory listing (in ftp), some packets incorrectly go out sk1 (and not NATtted) This worked fine in FreeBSD 5.x but not since upgrading to 7.x (at two different sites) >How-To-Repeat: ipf.rules: pass out quick on sk1 to sk2:196.211.30.193 from 10.67.21.120/29 to any ipnat.rules: map sk2 from 10.67.21.120/29 to any -> 196.211.30.194/32 proxy port ftp ftp/tcp map sk2 from 10.67.21.120/29 to any -> 196.211.30.194/32 portmap tcp/udp 1024:65000 map sk2 from 10.67.21.120/29 to any -> 196.211.30.194/32 now do a passive ftp from one of the 10.67.21.120/29 PCs >Fix: No known fix. >Release-Note: >Audit-Trail: >Unformatted: