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Date:      Mon, 5 Feb 2001 13:16:08 +0200
From:      Marc Silver <marcs@looney.co.za>
To:        Pater Pandoson <ppandoson@eCoNeed.com>
Cc:        so@server.i-clue.de, "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: ipfw divert
Message-ID:  <20010205131608.A22925@looney.co.za>
In-Reply-To: <3A7E873F.12A346A6@eCoNeed.com>; from ppandoson@eCoNeed.com on Mon, Feb 05, 2001 at 10:58:07AM %2B0000
References:  <3A7E6421.8D0E6E27@eCoNeed.com> <3A7E6AF4.7F78064A@i-clue.de> <3A7E873F.12A346A6@eCoNeed.com>

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I think this may help:

First of all you'll need to add the following option to your kernel:            
                                                                                
options         IPFIREWALL_FORWARD   #enable transparent proxy support          
                                                                                
Once you've done this, you can add a rule like this to your firewall            
which will forward connections on certain ports to other machines on            
your network ( I think anyway ) :                                                                   
                                                                                
ipfw add fwd 192.168.0.1,80 tcp from any to ${ip} 80 setup                       
${ip} is in this example your outside interface (ie. tun0).

Cheers,
Marc

On Mon, Feb 05, 2001 at 10:58:07AM +0000, Pater Pandoson wrote:
> Thanks for that, it seems to work just fine for me.
> But I  still think this is posable with ipfw rules, any helpers?
> 
> Pater


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