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How to disable's localhost check
Authored by: victory on Oct 31, '07 01:45:42AM
Anyone attempting to use the new 'Screen' with a local SSH-tunnel (e.g. ssh -L [lport]:x.x.x.x:[rport]) has probably seen the error msg:

'You cannot share your own computer.' when trying to connect to 'vnc://localhost:[lport]' afterwards. I understand that Apple probably did this to prevent naive users from confusing themselves by connecting to their own systems. However, it's a pain for those who need to connect to localhost for ssh-tunneling. Here's a temporary way to eliminate this restriction:

From the terminal:

defaults write skipLocalAddressCheck -boolean YES


FWIW, I still prefer COTVNC for my remote sessions, but it's still nice to have a VNC client now available as part of the core OS.

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How to disable's localhost check
Authored by: timhaigh on Jan 23, '08 03:54:48AM

i have screen sharing working perfectly over an ssh connection.

I initiate the tunnel

ssh -L 5901:localhost:5900 server

then in the screen sharing app I use a host address of


it works without the need of doing anything else.

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A simpler solution
Authored by: Rainy Day on Nov 09, '08 11:40:15PM

Just make sure your lport number is a suitable number other than 5900.

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