From owner-freebsd-questions@FreeBSD.ORG Sun Oct 9 07:39:28 2011 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 F1E9B106566C for ; Sun, 9 Oct 2011 07:39:28 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from relay2.tomsk.ru (relay2.tomsk.ru [212.73.124.8]) by mx1.freebsd.org (Postfix) with ESMTP id 395728FC12 for ; Sun, 9 Oct 2011 07:39:27 +0000 (UTC) X-Virus-Scanned: by clamd daemon 0.93.1 for FreeBSD at relay2.tomsk.ru Received: from admin.sibptus.tomsk.ru (account sudakov@sibptus.tomsk.ru [212.73.125.240] verified) by relay2.tomsk.ru (CommuniGate Pro SMTP 5.1.13) with ESMTPSA id 20870460 for freebsd-questions@freebsd.org; Sun, 09 Oct 2011 14:39:12 +0700 Received: from admin.sibptus.tomsk.ru (sudakov@localhost [127.0.0.1]) by admin.sibptus.tomsk.ru (8.14.3/8.14.3) with ESMTP id p997dBu0092854 for ; Sun, 9 Oct 2011 14:39:11 +0700 (OMSST) (envelope-from vas@mpeks.tomsk.su) Received: (from sudakov@localhost) by admin.sibptus.tomsk.ru (8.14.3/8.14.3/Submit) id p997dBK8092853 for freebsd-questions@freebsd.org; Sun, 9 Oct 2011 14:39:11 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) X-Authentication-Warning: admin.sibptus.tomsk.ru: sudakov set sender to vas@mpeks.tomsk.su using -f Date: Sun, 9 Oct 2011 14:39:10 +0700 From: Victor Sudakov To: FreeBSD Questions Message-ID: <20111009073910.GB92531@admin.sibptus.tomsk.ru> Mail-Followup-To: Victor Sudakov , FreeBSD Questions References: <20111008235238.GB3136@hs1.VERBENA> <20111009015141.GA60380@hs1.VERBENA> <20111009051554.GA91440@admin.sibptus.tomsk.ru> <20111009083855.0e9879f6@davenulle.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111009083855.0e9879f6@davenulle.org> User-Agent: Mutt/1.4.2.3i Organization: AO "Svyaztransneft", SibPTUS X-PGP-Key: http://www.livejournal.com/pubkey.bml?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 Subject: Re: need help with pf configuration 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: Sun, 09 Oct 2011 07:39:29 -0000 Patrick Lamaiziere wrote: > > > I have a configuration with 2 inside interfaces, 1 outside and 1 dmz > > interface. The traffic should be able to flow > > > > 1) from inside1 to any (and back) > > 2) from inside2 to any (and back) > > 3) from dmz to outside only (and back). > > > > I need no details, just a general hint how to setup such security > > levels, preferably independent of actual IP addressses behind the > > interfaces (a :network macro is not always sufficient). > > You may use urpf-failed instead :network > urpf-failed: Any source address that fails a unicast reverse path > forwarding (URPF) check, i.e. packets coming in on an interface other > than that which holds the route back to the packet's source address. Excuse me, I do not see how this is relevant to my question (allowing traffic to be initiated from a more secure interface to a less secure interface and not vice versa). -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru