Using X behind a IP Masquerading firewall

From: Pat Grogan (grogan@canrsg.telstra.com.au)
Date: Sun Sep 17 2000 - 21:09:22 EST

Attention Firewalling guru's,

I am attempting to get and X Display from behind a IP firewall. Here is a
rough diagram of my network:

144.138.70.XX Various Unix hosts/internet etc
        |
        | Lan
        |
 144.138.70.6 Redhat 5.2 (no firewalling running)
        |
        | PPP over modem
        |
 144.138.70.6 (144.138.71.1) RedHat 6.2 (running firewalling)
        |
        | Lan
        |
 144.138.71.XX Various NT/WIN/Unix Machines/HP Workstations

I can currently get the an xterm session to work to 144.138.70.6 because it
belongs to the same subnet as the hosts (on the top of the diagram).
However I want to run an xterm on HP Workstation running off the
redhat 6.2 machine (144.138.71.5).

Is there someway of doing an address translation from say 144.138.70.12 to
144.138.71.5 within the Redhat 6.2 machine?
 
 Pat Grogan
 
 E-mail: pat@rallypro.com.au
 web: www.rallypro.com.au
 

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