ADD TUNNEL. Depending on the operating system, the dialogue is prefilled with defaults you very likely would like to use. For Windows, an RDP tunnel is suggested, and for Linux SSH is used as default. The tunnel will be protected with an access control list that gives access only to your current IP address. This ACL is a second layer of security. Valid login credentials are still required. ADD TUNNEL the connection is created instantly. Now click on the LAUNCH TUNNEL icon and your default application for RDP or SSH opens the connection. From now on, use the username and password of the system you already have.