How to export terminal to F9 using r-tools?

[Patrick O'Callaghan]

On Wed, 2008-08-20 at 14:46 +0100, Marcelo M. Garcia wrote:
> Hi
> 
> How do I enable my Fedora 9 (x86) to accept terminals from other 
> machines using r-tools? I cannot use ssh -X in this case.
> 
> I tried to configure using /etc/gdm/custom.conf in the "xdmcp" option:
> Enable=true
> Port=177
> but it is not working.

Is port 177 open in the forewall?

poc