*BSD News Article 85522


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From: ska@kauss.rhein-main.de (Stephan Kauss)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: FreeBSD as a firewall for IP packed changes
Date: 23 Dec 1996 20:45:57 +0100
Organization: Stephan Kauss
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Hi all,

I have a small net with a freebsd 2.1.5 BISDN Packed as a Router between
my company and my small home network.
My small home network has no offical IP Nummbers. So the Router has to change
the IP Nummber before thy get out of my network.
What is the right way to do it ?
Did I need the IPFW stuff ?

Is there a example for me ?
How to set the routing table ?
                                       
				      PC1*     Old SUN*
                                      |         |
 company -/\/\ISDN/\/-freebsd BISDN---+---------+----
			with a offical
			IP Nummer

* non routable IP Nummer like 192.168.200.1 and  192.168.200.2

I it alsow possible to use PPP with BISDN and get a Dynamic IP Adress ?

Thanks

  Stephan