From owner-freebsd-isp Thu Dec 13 18:25: 7 2001 Delivered-To: freebsd-isp@freebsd.org Received: from leaf.lumiere.net (leaf.lumiere.net [208.44.192.100]) by hub.freebsd.org (Postfix) with ESMTP id 0C5AB37B41C for ; Thu, 13 Dec 2001 18:25:05 -0800 (PST) Received: by leaf.lumiere.net (Postfix, from userid 1082) id DC7CBCD1B; Thu, 13 Dec 2001 18:25:04 -0800 (PST) Date: Thu, 13 Dec 2001 18:25:04 -0800 From: Derrick John Klise To: Fabrizio Ravazzini Cc: freebsd-isp@freebsd.org Subject: Re: Ipf & Bridging ??? Message-ID: <20011213182504.B39897@leaf.lumiere.net> References: <20011213160654.81416.qmail@web20108.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2.5i In-Reply-To: <20011213160654.81416.qmail@web20108.mail.yahoo.com>; from freefabri@yahoo.it on Thu, Dec 13, 2001 at 05:06:54PM +0100 Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org From the FreeBSD section of the IPF FAQ: (http://coombs.anu.edu.au/ipfilter/faq/IPFfreebsd.html#1) Q. I'm having problems with bridging and FreeBSD. A. IPF does not yet support Bridging on FreeBSD, only OpenBSD... however Darren [Reed] plans on implementing this soon. On Thu, Dec 13, 2001 at 05:06:54PM +0100, Fabrizio Ravazzini wrote: > Hello all I've done a bridge between Internet and my > DMZ: > Internet > | > | > Cisco Router > | > | > |rl0 > FreeBSD 4.3 > Bridge > |rl1 > | > HUB----DMZ > > The bridge works very well,for example from the DMZ > the servers in it can "see" Internet and from internet > I can "see" the servers in the DMZ(Public Ip's). > The problem is with ipf. > If for example we put a simple rule in /etc/ipf.rules > like this: > block in quick on rl0 > > in order to block all the traffic going to the DMZ it > happens that packets originated from internet they > by-pass my bridge/firewall! > If you ping for example the bridge they are blocked > but if you ping a machine in the dmz it responds! > arghhh.. > I tried to put the rules for the bridge founded in the > Ipfilter based firewalls howto but they didn't work. > Any Idea? > Isn't ipfilter supported under freebsd? > Have I to use ipfw? > Many thanks all > bye > > > ______________________________________________________________________ > > Iscriviti al Meglio della Settimana, la newsletter di Yahoo! > Per saperne di pił vai alla pagina: http://buongiorno.yahoo.it > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message -- Derrick John Klise "I went into a general store, and they wouldn't sell me anything specific". -- Steven Wright To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message