An enclosure for electronic components is provided. The system can provision a framework instance for a dynamic module system in the application runtime environment. A user manipulatable directional input device permits a user to select any one of the groups with a single keystroke. A new session from the MS is created outside the tunnel and once the MS session times out, the MS session, the states existing in the first MPR and the second NAT domain utilizing a new set of dynamic NAT rules created in the second NAT domain are all removed.