![]() ![]() If you're using putty, copy or rename it to ssh.exe, or use the VNC_VIA_CMD environment variable to specify the ssh command name (see the vncviewer documentation for details). In order for this to work successfully, ssh must be installed on the same system as vncviewer, and it should be called "ssh" (as exists in OSX and Linux systems, and in mozilla-build on Windows). This instructs vncviewer to set up an ssh tunnel to the account username on the specified host, and then to connect the VNC server for display 0 on localhost (from the point of view of the far end of the connection, i.e., 142.204.133.122 in this case). You can use the -via option to enable this from the command line: Many of the vncviewer programs know how to set up an ssh tunnel automatically. Getting the VNC Viewer to Set Up the Tunnel Key Points We can set up a secure VNC connection with an SSH tunnel All of our SSH traffic goes through port 22 Traffic to our VNC server is encrypted Our. You'll need to ask someone who knows what it is! You will need the VNC server password, naturally. Using a vnc client such as TightVNC, select locahost:50005 (or whatever local port you use): ![]() Then login to the remote SSH server as you normal would with your userid and password: Click add, go back to sessions and save the session for next time. The 'local' radio button should be selected. The source port is any free and open port on your local machine. The 'destination' port configured in the screen below should be 127.0.0.1:X where X is the VNC server port number. On Linux systems where additional displays are started, the display number will start at 1 and increase with each server started, yielding port numbers of 5901, 5902, 5903, and so forth. The default VNC display number on single-users systems (such as Mac OSX, Windows, and Linux when mirror the local X Window session remotely) is 0, so the VNC server port on is 5900. Create the tunnel The first thing to do is create the tunnel that routes packets from localhost (at port 5901) to the remote host (at port 5901) through port 22. VNC uses a 'display number' which, when added to 5900, yields the port number used by the VNC server. The previous recipe showed you how to give remote access to the users desktop through VNC. The ssh port is 22 by default.Įnable compression to make the session faster Use the IP address of the remote computer you are connecting to. How to connect to a VNC session through a tunnel using putty Create a session profile ![]() 2 Getting the VNC Viewer to Set Up the Tunnel.1.2 Enable compression to make the session faster.1 How to connect to a VNC session through a tunnel using putty. ![]()
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