From owner-freebsd-pf@FreeBSD.ORG Sat Dec 4 23:08:37 2004 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1199116A4CE for ; Sat, 4 Dec 2004 23:08:37 +0000 (GMT) Received: from mx02.mucip.net (mx02.mucip.net [81.92.162.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8AB6943D48 for ; Sat, 4 Dec 2004 23:08:36 +0000 (GMT) (envelope-from berni@birkenwald.de) Received: from localhost (localhost [127.0.0.1]) by mx02.mucip.net (Postfix) with ESMTP id E6EBC51FA; Sun, 5 Dec 2004 00:08:34 +0100 (CET) Received: from mx02.mucip.net ([127.0.0.1])10024) with ESMTP id 24486-01; Sun, 5 Dec 2004 00:08:33 +0100 (CET) Received: from cholera.birkenwald.intern (cholera.ipv6.birkenwald.de [IPv6:2001:a60:f001:1:2e0:18ff:fef4:5c37]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client did not present a certificate) by mailout.mucip.net (Postfix) with ESMTP id C7FA3408D; Sun, 5 Dec 2004 00:08:32 +0100 (CET) From: Bernhard Schmidt To: Daniel Hartmeier In-Reply-To: <20041204200312.GE32076@insomnia.benzedrine.cx> References: <20041204200312.GE32076@insomnia.benzedrine.cx> Content-Type: text/plain Date: Sun, 05 Dec 2004 00:08:32 +0100 Message-Id: <1102201712.13533.6.camel@cholera> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at mucip.net X-Mailman-Approved-At: Sun, 05 Dec 2004 12:59:17 +0000 Subject: Re: IPv6 MLD packets blocked X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical discussion and general questions about packet filter (pf) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Dec 2004 23:08:37 -0000 Hi, > > http://www.birkenwald.de/~berni/tmp/mld.dump > The decoded packet looks sane: Just a quick guess, could this be the problem? > ip6_opt > > ip6o_type 0x05 (IP6OPT_ROUTER_ALERT) > ip6o_len 0x02 > ip6or_value 0x0000 (IP6_ALERT_MLD) IPv6 Router Alert option is apparently only used by three protocols (MLD, RSVP and so called "Active Networks message") according to RFC2711, with MLD being the most widespread application. Without looking at the code this is where I would look for it. Bernhard