From owner-freebsd-pf@FreeBSD.ORG Wed Sep 3 13:43:10 2008 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 76F261065673 for ; Wed, 3 Sep 2008 13:43:10 +0000 (UTC) (envelope-from jon@radel.com) Received: from wave.radel.com (wave.radel.com [216.143.151.4]) by mx1.freebsd.org (Postfix) with ESMTP id 26C438FC14 for ; Wed, 3 Sep 2008 13:43:09 +0000 (UTC) (envelope-from jon@radel.com) Received: by wave.radel.com (CommuniGate Pro PIPE 4.1.6) with PIPE id 7915444; Wed, 03 Sep 2008 08:43:09 -0400 Received: from [192.168.43.221] (account jon@radel.com HELO braeburn.local) by wave.radel.com (CommuniGate Pro SMTP 4.1.6) with ESMTP-TLS id 7915440; Wed, 03 Sep 2008 08:42:52 -0400 Message-ID: <48BE864C.6000006@radel.com> Date: Wed, 03 Sep 2008 08:42:52 -0400 From: Jon Radel User-Agent: Thunderbird 2.0.0.14 (Macintosh/20080421) MIME-Version: 1.0 To: Guido van Rooij References: <20080903110943.GA25396@gvr.gvr.org> In-Reply-To: <20080903110943.GA25396@gvr.gvr.org> X-Enigmail-Version: 0.95.7 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms080208090108080008010202" X-Radel.com-MailScanner-Information: Please contact Jon for more information X-Radel.com-MailScanner: Found to be clean X-Mailer: CommuniGate Pro CLI mailer Cc: freebsd-pf@freebsd.org Subject: Re: keeping state on outgoing connections fails (?) 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: Wed, 03 Sep 2008 13:43:10 -0000 This is a cryptographically signed message in MIME format. --------------ms080208090108080008010202 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Guido van Rooij wrote: > > Setup: FreeBSD 6.3 system with 2 interfaces: ep0 and bge0. > > ep0: 1.2.3.4/24 > bge0: 10.0.0.1/24 > > ruleset (made as simple as possible): > pass in quick on ep0 inet from 1.2.3.1 to 10.0.0.2 > block drop out log quick on ep0 all > pass out quick on bge0 inet proto tcp from 1.2.3.1 to 10.0.0.2 keep state > > When I telnet from 1.2.3.1 to 10.0.0.2, the packet comes in via ep0 > and passes because of rule 1. > Then the packet goes out via bge0, is passed via rule 3 and a satte entry is > created. > > The return SYN/ACK comes in via bge0 and passes because of the state entry. > > Then the packet should be sent out via ep0, but it is blocked, as pflogd shows: And does the problem go away when you put a "keep state" at the end of line 1? 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