From owner-freebsd-questions@FreeBSD.ORG Tue Mar 9 06:56:37 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A938A16A4CE for ; Tue, 9 Mar 2004 06:56:37 -0800 (PST) Received: from gentoo.netauth.com (roswell.pp.jippii.fi [62.142.244.198]) by mx1.FreeBSD.org (Postfix) with SMTP id 456AD43D5A for ; Tue, 9 Mar 2004 06:56:36 -0800 (PST) (envelope-from mj@sci.fi) Received: (qmail 8483 invoked by uid 1000); 9 Mar 2004 14:56:35 -0000 Date: Tue, 9 Mar 2004 16:56:35 +0200 From: Mike Jackson To: freebsd-questions@freebsd.org Message-ID: <20040309145635.GG8152@gentoo.netauth.com> Mail-Followup-To: freebsd-questions@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.6i Subject: firewall rules for mail gateway X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Mar 2004 14:56:37 -0000 Hi, I have a 5.2.1 firewall box that also has a mailserver. Goal: - firewall can send and receive mail <-> rest of the world - firewall can send and receive mail <-> internal LAN machines - firewall blocks internal LAN machines from connecting to external SMTP servers firewall/mail gw ----------------------- xl0 - public interface xl1 - private interface (gateway ip for LAN) 192.168.1.1 I tried something like: block out quick on xl1 proto tcp from any to any port = 25 with no effect, workstations could still get past it. Any help would be appreciated :-) Thanks, -- Mike Jackson