mbmiller+l at gmail
Feb 17, 2009, 4:30 PM
Post #1 of 1
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calling the client from the server
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For GNU/Linux systems, I see this option for vncconfig:
-connect host[:port]
Tells an Xvnc server to make a "reverse" connection to a listen-
ing VNC viewer (normally connections are made the other way
round - the viewer connects to the server). host is the host
where the listening viewer is running. If it's not listening on
the default port of 5500, you can specify host:port instead.
and I see this option for vncviewer:
-listen [port]
Causes vncviewer to listen on the given port (default 5500) for
reverse connections from a VNC server. WinVNC supports reverse
connections initiated using the 'Add New Client' menu option or
the '-connect' command-line option. Xvnc supports reverse con-
nections with a helper program called vncconfig.
This makes me think that maybe the following is possible, and I wonder if
anyone has done it already:
The user changes his bash configuration file so that when he logs in via
SSH, the system looks for the SSH port forward to his machine, checks if
he has an Xvnc session running and asks him if he wants a VNC connection
to his local machine. If he wants it, vncconfig calls back to his
listening vncviewer.
Something like that. I haven't studied it enough yet to get all the right
concepts. Does an SSH tunnel have to be established or can port
forwarding somehow be used?
What I'm really after is this: The easiest way for Windows users to
connect securely to free VNC running on GNU/Linux. I expect to use PuTTY,
possibly .bat files. I'm thinking someone has this all figured out but
what I'm finding are fairly elaborate instructions that would be too
challenging many users and make too much work for frequent use.
Maybe we just have to configure PuTTY for port forwarding, then set up a
little batch file that calls PuTTY with the right command-line options and
then calls VNCviewer to connect to the correct port on localhost. So,
have you done it?
Mike
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