Creating a tunnel for VNC

• After disconnecting from your session (by typing ``exit''), click on the ``Profile'' button, and choose ``Edit Profile...'' (Figure 27). Choose the profile you have saved for this connection (you did save a profile in Subsection A.1, right?) Adding a tunnel cannot be done while you are connected, and you will need to reconnect to activate the tunnel.

  Figure 27: Editing the profile

  

• Choose the profile just saved (i.e. ``vrdc6401'') in the left panel, and click on the ``Tunneling'' tab in the right panel (Figure 28).

  Figure 28: Finding the tunnel tab

  

• Click on ``Add...'' to add another tunnel connection. In the resulting dialog (Figure 29)

  Figure 29: Tunnel tab, adding a tunnel

  

• Fill in the required information:
  • Display Name: An arbitrary name to identify this tunnel (i.e. ``VirtualRDC'')
  • Type: Choose ``TCP'' (the default)
  • The Listen Port should be 6#6. In the example, we are using 4#4⁴
  • The Destination Host should be ``127.0.0.1'' and not ``vrdc6401.vrdc.cornell.edu'' or ``localhost''.
  • The Destination Port should be port = display + 5900, where display is the desktop number of your VNC session, which you identified in Subsection 1.6.

  Figure 30: Add tunnel dialog

  

• Click ``OK'' to accept, and ``OK'' on the profile display to finish editing this profile.

• You are now set to initiate the tunnel. Click again on the ``Profile'' button (see Figure 27), and choose the profile you just modified ``vrdc6401''. Log in using your password, and the tunnel is established.