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	  id PAA15386; Wed, 17 Jun 1998 15:48:37 GMT
Date: Wed, 17 Jun 1998 15:48:37 +0000 ()
From: Marc Rassbach <marc@tandem.milestonerdl.com>
To: Brian Somers <brian@Awfulhak.org>, list <freebsd-questions@FreeBSD.ORG>,
        nat3 <freebsd-security@FreeBSD.ORG>, nat4 <skip-info@skip.org>
Subject: FreeBSD 2.2.6, NAT and SKIP
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Im trying to set up a network like this:
(IPs changed to protect the guilty)


1)  Anyone wanna share the Landmines for the V.35 move?  
2)  How can I get SKIP on FreeBSD 2.2.6 to "de-skipify" incoming
    skip traffic from , oh, say 156.46.1.1 on the net going to 
    the no-skip-unix box at 204.107.138.114 AKA 192.168.1.6?
3)  Instead of ppp alias doing the NAT/IP Masquerading/aliasing, 
    how can I have natd do the NAT/IP Masquerading/aliasing work for me?




         modem to net via tun0/ppp.  Will be moving to a V.35 interface
           |                         in 1-2 months. 
   +-----------------+
   | Freebsd 226     |   204.107.138.113/28
   +-----------------+
           |   ed0 interface 192.168.1.254
           |
           +-----------------------------------+
           | 192.168.1.6                       | 192.168.1.31
           | would like it to be               | would like it to be
           | 204.107.138.114 to da net        | 204.107.138.115 to da
   +-----------------+           +---------------------+    net
   | Unix box that   |           | NT box that can run |
   | can not run SKIP|           |   SKIP              |
   +-----------------+           +---------------------+


What I have gotten working:

1)  SKIP and NT.  (instructions for how in next post to skip-list ok?)
2)  ppp alias function   (thus letting the unix/NT box to be seen)

What Hasnt worked for me:
1) ifconfig ed0 192.168.2.6 netmask 255.255.255.255 alias then tying
   to tell natd to do redirect_address 192.168.1.6 192.168.2.6 didnt work.
2) ip-filter/ipnat.  Got it compiled, but wouldnt NAT for me.


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