[CentOS] Trying to understand Remote desktops

I almost gave up myself when trying to set it up. its really worth it once
you get it working. for me it would authenticate but not connect. I forget
if the error message was the same as you are getting, sounds vaguely
similiar. turned out that I needed to add a line to /etc/hosts.allow
sshd: 127.0.0.1: ALLOW
this was on a new install of centos 5.
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