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How to securely control another Mac over the internet
Authored by: joshfree on Feb 16, '07 09:55:31AM

I'm trying to set up two VNC servers on one network, both hooked up to the same DSL connection via Airport Extreme. Both machines have permanent IP addresses.

One is a Powerbook G4 that has been working fine as a server for a while now. Other people can successfully access that computer from remote locations via the Internet.

The second is an iMac, which is always on here at my office. I want to be able to access that iMac from home (using the same Powerbook).

Both computers can successfully connect to each other over our office LAN, using Chicken of the VNC and VineServer. I've also tried the built-in VNC server in OS 10.4. All fine.

But I can't get my Powerbook to connect to the iMac over the Internet. Just within the LAN.

I thought it must have something to do with port mapping on the Airport Extreme router. But I'm not sure how to set up port mapping when I want two different computers to work as servers on the same DSL connection.

I hope somebody knows the answer, or can direct me to a good resource.


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How to securely control another Mac over the internet
Authored by: bitwise on Mar 13, '07 11:37:44AM

Perhaps, in the router, map a non standard port to port 22 on one of the machines (probably the imac in your case). Then when connecting to it, use the port flag (-p) in the ssh command to use the non standard port you chose.

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