A.P. Lawrence

NAT setup

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From - Sun Dec 12 08:16:13 1999
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From: Jean-Pierre Radley <jpr@jpr.com>
Subject: Re: NAT for SCO Openserver 5.0.4 and 5.0.5
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Date: Sun, 12 Dec 1999 05:24:45 GMT Message-ID: <19991212002445.F15877@jpradley.jpr.com>
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In-Reply-To: <3852F073.E6FAC6F6@aplawrence.com>; from tony@aplawrence.com on Sun, Dec 12, 1999 at 12:46:43AM +0000 References: <3852F073.E6FAC6F6@aplawrence.com>
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Tony Lawrence opined (on Sun, Dec 12, 1999 at 12:46:43AM +0000):
| 
| The configuration of NAT is dead simple: here's the entire
| script that I use:
| 
| ipnat -f - <<EOF
| map net1 10.1.36.0/24 -> 0/32
| EOF
| 
| My internal network is 10.1.36.0
| 

I "own" a real Class C network from the old days, so most of my
machines are on 198.207.210.x, but I also set up a Windows box on the
non-routable 192.168.210.x network.

So in my case, I have /etc/rc2.d/S92ipfilter, containing:

        #!/bin/sh
        /usr/local/etc/ipnat -vf /usr/local/etc/ipnatrules
        /etc/ifconfig net0 alias 192.168.210.3

/usr/local/etc/ipnatrules is much like Tony's:

Phone and Email Support at Monthly rates

        map du0 192.168.210.0/24 -> 0/32

The ifconfig command aliases the ethernet card in my main machine, which
is at 198.207.210.3, to also be seen as 192.168.210.3, so that the
Windoze machine at 192.168.210.210 has someone to talk to.

-- 
JP

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