SSH tunneling port forwarding is a flexible and secure mechanism for accessing network services behind a firewall. It can be used for accessing VNC servers or Windows Remote Desktop Service in CS Department from your home PC. Suppose you want to run a client software e.

VNC client which makes a TCP connection from your PC to a remote server e. You may use PuTTY to set up a "tunnel" which forwards TCP traffic from your local PC to the remote server. When the client connects to the TCP port on your local PC, SSH relays the traffic to the remote server with encryption.

Port forwarding with SSH/Putty

From the viewpoint of the client software, the server software appears to be running on your local PC. Print Friendly E-mail to others. Welcome to the CS Intranet. How It Works Suppose you want to run a client software e.

How to use PuTTY to create a SSH Tunnel - Jesin's Blog

Setup Procedure Install and setup your PuTTY client on your PC. To download PuTTY, or for further information about PuTTY and its related programs, please visit: Enter the name of the machine you wish to connect in the box [Host Name].

You can specific an IP address also. Select the SSH Protocol.

Portforwarding with SSH (Putty)

Next, select the Window tab. Specific the size of the windows by Rows and Columns. Specific the size of scrollback if you wish to cut and paste previously entered commands or terminal output.

Select the Appearance tab. Change the font is necessary, default is Courir New, bold, point.

Use ClearType if you are using LCD monitor. Select Colours Tab to change the default colors.

If you always use the same username to log on the server, put it in the Auto-login username. Select the SSH tab. Enable compression for slow connections. Select SSH protocol version to "2" for better encryption.

Select the Tunnels tab. The tunnel details will shown in the box To forward a port enter the Source port and Destination machinename: Go back to the Session tab.

Port forwarding with ssh - University of Victoria

Give a name for the setting and Save the session so that you don't have to configure again. Double-click the saved session will open a new session using the saved settings.

Example Tunneling Rules The table below shows some example tunneling rules. Service Listening Port Destination Host Destination Port Allow Localhost Connections Only How to run client VNC. Run RDC connecting host