From owner-freebsd-questions Tue Feb 18 14:10:52 2003 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 29DF537B401 for ; Tue, 18 Feb 2003 14:10:51 -0800 (PST) Received: from radzinschi.com (pcp02453672pcs.owngsm01.md.comcast.net [68.55.91.96]) by mx1.FreeBSD.org (Postfix) with ESMTP id 45AC343F75 for ; Tue, 18 Feb 2003 14:10:50 -0800 (PST) (envelope-from marco@radzinschi.com) Received: from localhost (marco@localhost.radzinschi.com [127.0.0.1]) by radzinschi.com (8.12.6/8.12.6) with ESMTP id h1IMAnsf057583; Tue, 18 Feb 2003 17:10:49 -0500 (EST) (envelope-from marco@radzinschi.com) Date: Tue, 18 Feb 2003 17:10:49 -0500 (EST) From: Marco Radzinschi To: Shane Hickey Cc: Subject: Re: ipf ftp proxy problem? In-Reply-To: <1045544921.28324.10.camel@daneel> Message-ID: <20030218170705.P57549-100000@radzinschi.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 17 Feb 2003, Shane Hickey wrote: > Howdy all, > I have a freebsd firewall and I want to be able to do make both passive > and active ftp client connections from my inside network to the outside > world. I'm using ipf and ipnat compiled into the kernel. I followed > the IPF HOWTOs that I've read and I'm hitting a brick wall. > My outside interface is dc0 and let's say my outside IP is 1.1.1.1. > I've tried both of the following rules in my /etc/ipnat.rules file with > no success. > > map dc0 0/0 -> 1.1.1.1/32 proxy port 21 ftp/tcp > map dc0 0/0 -> 0/32 proxy port ftp ftp/tcp > > When I say no success, I mean that I am able to establish a remote ftp > connection, but when I do a 'ls' I get a > > 425 Can't build data connection: No route to host > > I'm sure I'm doing something foolish, so any advice would be greatly > appreciated. Oh yeah, I'm running FreeBSD5.0-release and IPF version > 3.4.29. > > Thanks in advance for any help. > > -- > Shane Hickey : Network/System Consultant > GPG KeyID: 777CBF3F > Key fingerprint: 254F B2AC 9939 C715 278C DA95 4109 9F69 777C BF3F > Listening to: MC5 - 12 I Can Only Give you Everyth Place the following BEFORE any other rules, and replace $intsubnet with your internal subnet. The second rule will allow active FTP from the firewall itself. map dc0 $intsubnet -> 1.1.1.1/32 proxy port ftp ftp/tcp map dc0 1.1.1.1/32 -> 1.1.1.1/32 proxy port ftp ftp/tcp Marco Radzinschi E-Mail: marco@radzinschi.com Tue Feb 18 17:07:05 EST 2003 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message