From owner-freebsd-pf@FreeBSD.ORG Sun Jul 31 17:14:11 2005 Return-Path: X-Original-To: freebsd-pf@freebsd.org 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 2E54816A41F for ; Sun, 31 Jul 2005 17:14:11 +0000 (GMT) (envelope-from max@love2party.net) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8D87443D45 for ; Sun, 31 Jul 2005 17:14:10 +0000 (GMT) (envelope-from max@love2party.net) Received: from p54A3F3AB.dip.t-dialin.net [84.163.243.171] (helo=donor.laier.local) by mrelayeu.kundenserver.de with ESMTP (Nemesis), id 0MKwh2-1DzHO33nzf-0005ic; Sun, 31 Jul 2005 19:14:07 +0200 From: Max Laier To: freebsd-pf@freebsd.org Date: Sun, 31 Jul 2005 19:13:58 +0200 User-Agent: KMail/1.8 References: In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3390795.jxlMpqPJV4"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200507311914.03774.max@love2party.net> X-Provags-ID: kundenserver.de abuse@kundenserver.de login:61c499deaeeba3ba5be80f48ecc83056 Cc: Tilman Linneweh Subject: Re: PF on 6.0 and ICQ X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 31 Jul 2005 17:14:11 -0000 --nextPart3390795.jxlMpqPJV4 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sunday 31 July 2005 17:58, Tilman Linneweh wrote: > Hi list, > > I upgraded my Firewall to RELENG_6, > the Firewall does NAT for an RFC1918 net, and the relevant part of the > ruleset looks like this: > > nat on $ext_if from $internal_net to any -> ($ext_if) > pass in on $int_if from {$internal_net, 224.0.0.0/4} to any keep state > allow-opts > pass out on $int_if from any to {$internal_net, 224.0.0.0/4} keep state > allow-opts > pass out on $ext_if proto { tcp, udp } all keep state > > With RELENG_5 ICQ from the hosts on the RFC1918 network worked, but now > they are not able to connect to the ICQ > Server. > > The logged traffic on pflog0 looks like this: > 17:45:25.966685 IP (tos 0x0, ttl 62, id 63506, offset 0, flags [DF], > proto: TCP (6), length: 60) 192.168.1.24.49231 > 205.188.7.248.5190: S > 920618149:920618149(0) win 65535 > 17:45:28.871854 IP (tos 0x0, ttl 62, id 63512, offset 0, flags [DF], > proto: TCP (6), length: 60) 192.168.1.24.49231 > 205.188.7.248.5190: S > 920618149:920618149(0) win 65535 > 17:45:31.872076 IP (tos 0x0, ttl 62, id 63515, offset 0, flags [DF], > proto: TCP (6), length: 60) 192.168.1.24.49231 > 205.188.7.248.5190: S > 920618149:920618149(0) win 65535 > 17:45:34.874595 IP (tos 0x0, ttl 62, id 63518, offset 0, flags [DF], > proto: TCP (6), length: 44) 192.168.1.24.49231 > 205.188.7.248.5190: S, > cksum 0x7097 (correct), 920618149:920618149(0) win 65535 > 17:45:37.874576 IP (tos 0x0, ttl 62, id 63520, offset 0, flags [DF], > proto: TCP (6), length: 44) 192.168.1.24.49231 > 205.188.7.248.5190: S, > cksum 0x7097 (correct), 920618149:920618149(0) win 65535 > > Anyone got an idea, why this traffic doesn't match the pass rules > anymore? Can you add a "-e" when tcpdump'ing pflog so it shows the reason for the dr= op=20 (i.e. what rule was matched etc.)? =2D-=20 /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News --nextPart3390795.jxlMpqPJV4 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQBC7QbbXyyEoT62BG0RAtTPAJ9BtQ5RTflPrhTcewb6Tzz5S0SWsQCdFh+X yYxPRLXjfTTKdWKpTwFYhqw= =3fLS -----END PGP SIGNATURE----- --nextPart3390795.jxlMpqPJV4--