Konrad,
I can answer at least the first issue. Timbuktu, at least the later versions >8.X??, can support connections over ssh. Only the SSH port needs to be opened in the corporate firewall. I have done this successfully here and used it for a couple of years. I am using version 8.6 but I believe it was available in a couple of earlier versions.
Set the TB2 preferences for "TCP Security" to "Only Accept Secure (SSH) Incoming Connections". And it works with ONLY an ssh connection.
I'll leave the firewall/ssh tunneling question for others, but I believe there is a way to only accept local (ie localhost) connections and tunnel from any port to any port. You may have to set up tunnels on both the server and client.
-Scott
At 12:52 +0100 3/13/07, Konrad Hinsen wrote:
>I would like to know if others have had similar experiences, or can perhaps propose solutions to the problems described below.
>
>1) Using GUI programs over the network
>
>- Timbuktu Pro: unusable through our firewall, which blocks everything but ssh access.
>
>2) Firewalls
>
>However, almost everything in the Mac world seems to require additional ports: XGrid, Server Admin, Workgroup Manager, and Timbuktu Pro are the programs that I tried and couldn't get to work. If the machine/port combination were configurable, I could use ssh tunnels, but they aren't.
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