When Telnet/SSL is selected as the Protocol in the Quick Connect dialog, the connection options are as follows:

Hostname

The hostname or IP address of the remote host.

Port

The port number of a service on a remote machine. For Telnet/SSL , the default port is 992.

Firewall

If your connection involves a firewall, select your firewall from the list of firewalls that have been  configured in the Global Options/Firewall dialog..