It's actually a whole bunch of ports that you would need to open.  Getting X
to work through a firewall is a nightmare.  Use ssh with X forwarding
instead, or set up some sort of VPN server, and VPN in to query xdm.

Jay

> -----Original Message-----
> From: Rodney Ray [mailto:Rodney.Ray at childrenshc.org] 
> Sent: Monday, December 03, 2001 9:33 AM
> To: tclug-list at mn-linux.org
> Subject: [TCLUG] port problem
> 
> 
> I have a dmz setup on my firewall and want to make a pin-hole 
> so I can run xdm off of my linux box, does anyone know what 
> port xdm is using? I have a linux firewall book and it says 
> that  X Display Login Manager uses port 177 on upd, and X11 
> runs on 6000+n using tcp, but I have no idea what 6000+n means.... 
> 
> Thanks 
> 
> Rodney Ray
> Children's Hospital and Clinics
> Data Warehouse Developer
> 651-855-2560
> rodney.ray at childrenshc.org
> 
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