Tunnelblick might ask to check if the apparent public IP address changed - click the "Do not check for a change" button
Note that the security certificate and configuration file are installed as part of this procedure, so it is not necessary to perform the configuration steps described below.
How to launch
double-click the Tunnelblick application; a dark tunnel icon should appear in your menu bar
to connect, select "Connect CLASSE" from the Tunnelblick menu
the first time you launch Tunnelblick, you will be asked for your CLASSE credentials
click the box to the right of "Save in Keychain" if you would rather not enter your CLASSE credentials every time you connect
to disconnect, select "Disconnect "CLASSE" from the Tunnelblick menu