From owner-freebsd-questions@FreeBSD.ORG Mon Oct 22 19:57:10 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DA72716A418 for ; Mon, 22 Oct 2007 19:57:10 +0000 (UTC) (envelope-from peter@wingless.org) Received: from bpd2mo2no.prod.shawcable.com (shawmail.shawcable.com [64.59.128.220]) by mx1.freebsd.org (Postfix) with ESMTP id A78FC13C48D for ; Mon, 22 Oct 2007 19:57:10 +0000 (UTC) (envelope-from peter@wingless.org) Received: from bpd2mi6no.prod.shawcable.com (bpd2mi6no-qfe3.prod.shawcable.com [10.0.184.161]) by bpd2mo2no.prod.shawcable.com (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0JQB00JDZTYRM390@bpd2mo2no.prod.shawcable.com> for freebsd-questions@freebsd.org; Mon, 22 Oct 2007 12:56:51 -0600 (MDT) Received: from satan.pfak.org (h70-68-0-228.sbm.shawcable.net [70.68.0.228]) by bpd2mi6no.prod.shawcable.com (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0JQB004C1TYRQ510@bpd2mi6no.prod.shawcable.com> for freebsd-questions@freebsd.org; Mon, 22 Oct 2007 12:56:51 -0600 (MDT) Received: (qmail 27015 invoked from network); Mon, 22 Oct 2007 18:56:51 +0000 Received: by simscan 1.1.0 ppid: 27009, pid: 27011, t: 1.3097s scanners: clamav: 0.88.5/m:40/d:2060 spam: 3.1.5 Received: from unknown (HELO ?192.168.0.120?) (peter@kieser.ca@unknown) by unknown with SMTP; Mon, 22 Oct 2007 18:56:49 +0000 Date: Mon, 22 Oct 2007 11:54:51 -0700 From: Peter Kieser To: freebsd-questions@freebsd.org Message-id: <471CF1FB.3050804@wingless.org> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on satan.pfak.org User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) X-Spam-Status: No, score=-2.6 required=4.0 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.1.8 X-Spam-Level: Subject: ipfw keep-state + IPv6 on FreeBSD 7 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Oct 2007 19:57:10 -0000 Hello, I'm having problems with ipfw + IPv6 keep-state rules, if I use a keep-state rule on IPv6 it will only work intermittently (eg. I can connect to an FTP site with IPv6 and start to grab a file, but it will stall after a few seconds). I am using deny all by default on ipfw, my ruleset is as follows (em0 is my external interface): add check-state add allow all from any to any via lo0 add allow all from any to any out via em0 keep-state The keep-state works fine for IPv4 traffic, but IPv6 traffic connectivity will only work intermittently with the above ruleset. I am running a RELENG_7 cvsuped/built on Tue Oct 16: FreeBSD akuma.pfak.org 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #1: Tue Oct 16 18:30:20 PDT 2007 peter@akuma.pfak.org:/usr/obj/usr/src/sys/AKUMA i386 Any hints? Is IPv6 + keep-state broken on 7.0? Thank you, -Peter