gdm + xdmcp

Daniel Iliev daniel.iliev at
Sat Mar 1 05:56:34 UTC 2008

On Sat, 1 Mar 2008 10:22:29 +0530
Girish Venkatachalam <girishvenkatachalam at> wrote:

> > Sorry, I forgot to mention that. nmap gives:
> > 
> > 177/udp closed xdmcp
> > 6000/tcp open  X11
> > 
> > Actually I think the latter is not required, but I'll let
> > everything be open and allowing until I get it working, then I'll
> > disable the unnecessary options afterwards.
> > 
> Then your problem is right here.
> The XDMCP port is closed.


> Open the XDMCP port and you are done.

How am I supposed to do that? I believe it's up to gdm to open the port
it should be listening on. Just like Xorg did. If you mean I should
allow access to this port in the firewall, I must say I've not
(explicitly) enabled one on this system because it's connected to a
private (in the sense of RFC1918) LAN with no offenders other than me
and my family. :)

[root at bsd ~]# /etc/rc.d/ipfw rcvar
# ipfw
[root at bsd ~]# /etc/rc.d/ipfilter rcvar
# ipfilter
[root at bsd ~]# /etc/rc.d/pf rcvar
# pf
[root at bsd ~]# 

Best regards,

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