How to Use Putty to Connect to VNC
If a VNC (Virtual Network Computing) connection is inaccessible due to a firewall, you can bypass the firewall by using an SSH (Secure Shell) tunnel. This routes the traffic from the VNC connection through the SSH channel. Putty is a graphical SSH client that is available for the Windows and Unix operating systems. It allows you to set up the SSH tunnel without having to use the command line. Once the tunnel is created, you will be able to use a VNC client to connect to the remote computer.
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Instructions
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Download and install Putty (see Resources).
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Open the Putty program. It will be found under the "Start" menu on Windows or under the main "Applications" menu on Linux or Unix.
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Click on the "SSH" option on the left side of the screen.
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Click on the "Tunnels" option on the left side of the screen.
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Type "5900" in the "Source port" text box found on the right side of the window.
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Type "destination.com:5900" in the "Destination" text box. Replace "vncserver.destination.com" with the correct address for the remote server.
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Click the "Add" button.
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Click the "Sessions" option on the left side of the screen.
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Type the host name or IP address of the remote server in the "Host name" text box.
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Click the "Open" button to connect to the remote server and create the session.
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Connect the VNC client to "localhost:0" to access the VNC server.
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References
Resources
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