Hi there!
I'm trying to set up a "VNC Concentrator" just outside our firewall that
does indirect xdmcp via the following xinetd config:
service vnc800
{
socket_type = stream
wait = no
protocol = tcp
user = root
server = /usr/bin/Xvnc
server_args = -inetd -once -depth 24 -indirect somehost
-geometry 800x600 SecurityTypes=none
disable = no
}
xinetd, services(5) and gdm are all working on the host, but I get some
strange behavior. When I connect via vnc, I get the chooser with the
hosts I configured in gdm.conf. When I double-click something, however,
the session dies immediately. If I reconnect quickly enough (<10
seconds or so), I pick up the session at the new host and all works
flawlessly from there.
Thinking it might have something to do with "-once" in the command-line,
I removed that and restarted xinetd. Now when I connect, I get the
chooser and when I double-click something, it hangs. The window stays
open (indeed, the mouse pointer still responds), but the host's login
prompt never appears. If I disconnect and reconnect, it works fine
(login prompt appears, etc.).
The alternative mechanism we have is a horrible ssh tunnel process,
which translates into both instructors and me doing way too much work as
student tech support (instead of real work). I'd much rather use this
"concentrator" solution, so we can move on to better things.
This, btw, is running on CentOS 4.4 with Xvnc 4.0 (2/21/2005) with Xorg
6.8.2. I didn't see anything relevant in the archives, so I'm not sure
if it's been addressed, or even if it's a vnc (and not an Xorg) bug.
Thoughts?
--bj
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