Using the OSX 10.5.x VNC-Server exclusively over SSH

Is there an option for the OSX 10.5.x VNS-Server like "Only allow local connections".
I want to start the VNC-Server but only make it accessible through SSH, so that it is not open to the hole net i am in.
I did not find this option neither in "System Preferences -> Sharing" nor in "System Preferences -> Security -> Firewall".
Tnx in advance!

Hi Irwin
OK I was doing the same for awhile. In my case the firewall for the campus at least restricted potential VNC access to the machine to only others on campus. But I decided to go back to Vine Server for the added security. I just had a look at the firewall but I don't know how to set it to just block a port. If you could do that you could presumably block 5900 and thus force the need for a SSH tunnel.
How are you viewing the VNC client ?
Michael

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