From owner-freebsd-questions  Sat Feb 16  7:53:47 2002
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From: "Shawn Dillon" <lansol@telusplanet.net>
To: "Crist J. Clark" <cjc@FreeBSD.ORG>
Cc: <freebsd-questions@FreeBSD.ORG>
References: <001c01c1b6b0$1c09ace0$05e6b38e@lantechhome> <20020216042030.E36782@blossom.cjclark.org>
Subject: Re: Natd,ipfw,vnc and multiple interfaces
Date: Sat, 16 Feb 2002 09:01:01 -0700
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One more question. I remember a post on starting natd and getting a 'unable
to bind divert address" error because natd was already in use. How does this
affect starting multiple natd daemons.

And thanks for the response thus far.

Shawn Dillon

----- Original Message -----
From: "Crist J. Clark" <cjc@FreeBSD.ORG>
To: "Shawn Dillon" <lansol@telusplanet.net>
Cc: <freebsd-questions@FreeBSD.ORG>
Sent: Saturday, February 16, 2002 5:20 AM
Subject: Re: Natd,ipfw,vnc and multiple interfaces


> 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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