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Date:      Sat, 16 Feb 2002 04:20:31 -0800
From:      "Crist J. Clark" <cjc@FreeBSD.ORG>
To:        Shawn Dillon <lansol@telusplanet.net>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Natd,ipfw,vnc and multiple interfaces
Message-ID:  <20020216042030.E36782@blossom.cjclark.org>
In-Reply-To: <001c01c1b6b0$1c09ace0$05e6b38e@lantechhome>; from lansol@telusplanet.net on Fri, Feb 15, 2002 at 11:06:44PM -0700
References:  <001c01c1b6b0$1c09ace0$05e6b38e@lantechhome>

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On Fri, Feb 15, 2002 at 11:06:44PM -0700, Shawn Dillon wrote:
> I am probably missing something very simple , but after much Coke and snacks
> I cannot figure this out.
> 
> System : FreeBSD 4.5 Stable
> 
> 
> 
> xl1    xl2    xl3    xl4
> ________________
> (External nics , public IPS)
>             |
>             |
>             |
>             |
> ___________________
> xl0
> (Internal Nic) 10.0.11.x 255.255.255.0
> 
> Ok , this FreeBSD bx has been working like a charm doing NAT from the
> internal net to the external (using xl1). I installed the xl2,xl3, and xl4
> nics with the following objectives. I want to redirect ports or addresses( I
> cannot get any ot them to work) from the external interfaces ( ie xl2) to an
> IP on the internal network ( say 10.0.11.253).
> 
> Questions
> 
> 1) Can I define multiple interfaces in the natd.conf file? ( ie interface
> xl1 xl2 xl3) What is the format?

Run a different instance of natd(8) for each inteface. natd(8) can
only handle one interface.

> 2) Do I define the redirect_port/redirect_address in the natd? ( I assume
> so)

Probably. If you want to do NAT.

> and in the firewall script( /sbin/ipfw add fwd tcp (external) from any
> to (internal)

Not if you want to do NAT.
-- 
Crist J. Clark                     |     cjclark@alum.mit.edu
                                   |     cjclark@jhu.edu
http://people.freebsd.org/~cjc/    |     cjc@freebsd.org

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