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 > > _______________________________________________ > Twin Cities Linux Users Group Mailing List - Minneapolis/St. > Paul, Minnesota http://www.mn-linux.org > tclug-list at mn-linux.org > https://mailman.mn-> linux.org/mailman/listinfo/tclug-list >