How to Stunnel With Putty
You may be trying to access something on the Internet and are being stopped by a firewall that prohibits some activities. A workaround is creating an Secure Shell, or SSH, session to tunnel around the firewall and bypass it to do whatever is prohibited. Putty is a free software client that you use to stunnel. You do not need any special software other than Putty to create your SSH tunnel.
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Instructions
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1
Launch Putty on your computer either from a desktop icon or from the Start menu.
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2
Look in the "Category" pane and find "Connections." Click on "SSH" to expand for more options and click on "Tunnels."
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3
Go to the "Port Forwarding" section of the main pane of the screen. Add your port in the "Source Port" field. This can be any number greater than 1000. In the "Destination" field, type the IP address of the host name with the private IP. And the end of the IP address type a colon followed by the service port number that you need to access through the tunnel. For example, if your service port number is 22, your IP address may look like 159.167.31.15:22.
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4
Click on the "Add" button by the "Source Port" field to add the new port you just created.
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5
Go back to the "Category" pane and click on "Session."
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Type the "Host Name" field the host name or IP address of the public computer in which you are establishing the tunnel. Enter in 22 in the "Port" field. For "Connection Type," select SSH.
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Start your session by clicking "Open" and entering in your username and password.
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