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VNC THROUGH SSH TUNNEL PUTTY HOW TO
VNC THROUGH SSH TUNNEL PUTTY PASSWORD
VNC THROUGH SSH TUNNEL PUTTY PC

You should terminate your VNC session after you have finishes your work. You will see the Linux X-window at your client PC.

VNC THROUGH SSH TUNNEL PUTTY PASSWORD

Enter the VNC password you create at Step A.

As we have set up SSH tunnelling, unencrypted traffic will be transferred via the encrypted SSH channel. There may be a prompt which acknowledge that sensitive information may not necessarily be secure. Enter “ localhost:3” as the VNC server to connect to. If connecting from outside the HKU campus network, staff and students are required to login HKUVPN.

VNC THROUGH SSH TUNNEL PUTTY PC

Make sure your client PC is connected to HKU campus network.

The tunnel will now be active as long as the terminal windows stays running. Log in with your account name and password. Then you can click “ Open” to start the SSH terminal.

Select catalogue “ Session” and click “ Save“.

Your tunnel will now appear in the list, similar to figure at follow: Where hostname is the hostname of server to be remoted.Ĭlick the “ Add” button. In the example, our vncserver is running on :3, Source port and Destination port is the number you were given in the vncserver command above and add it to 5900.

Click “ Tunnels” in the left pane and enter Source port and Destination.

Click on “ SSH” subcategory, enable compression and select SSH protocol version 2.

Enter a name in the Saved Sessions field and click “ Save” Replace with if you use HPC2015 system.

In category “ Session” and in the field “ Host Name (or IP address)”, type in the remote system your intend to connect to.

Open PuTTY program, which can be download from.

This will be the port number you will need in the SSH tunnel setup and eventually terminate the server. In the above example, it means your session will run on display 3 of server. Take note of the number following the colon(:). The vncserver will choose the first available display number and the number will vary from session to session. You will require a password to access your desktops.

It is recommended to select a strong password with 8-character. On the first time you have run the VNC server, you will be asked to set a VNC password.

Start the vncserver on the remote machine by command “ vncserver“.

Log into the machine that you would like to connect to ( in this example) by SSH connection.

VNC THROUGH SSH TUNNEL PUTTY HOW TO

How to run VNC in a secure way(via SSH Tunnel)? How to start VNC session with Gnome/KDE Desktop?.How to run VNC in a secure way(via SSH tunnel)?.An account to log in any HPC cluster system which support vncserver.TightVNC is another popular VNC software. RealVNC supports many platforms(Windows, MacOS, etc). There are many VNC viewers to choose from. If security is importance to you, you may choose VNC viewer with encryption support(probably commercial product), or tunnel VNC through a SSH connection(see below).

Once the system is connected, however, traffic of the entire VNC session is unencrypted and could be snooped by someone with access to the intervening network. The VNC password sent over the network is encrypted. VNC uses a random challenge-response system to provide basic authentication that allow you to connect to a VNC server. VNC consists of two components: A server which generates a display, and a viewer which draws the display on your screen. Virtual Network Computing(VNC) is a graphical remote access system for remote desktop control.