Configuring External Authentication External Guest Authentication allows the administrator to specify an external database for wireless guest authentication. This authentication requires guests connecting from the device or network you select to authenticate before gaining access. This feature, based on Lightweight Hotspot Messaging (LHM) is used for authenticating Hotspot users and providing them parametrically bound network access. To configure external authentication, complete the following steps: NOTE: External Authentication is not supported in SonicOS Enhanced. 1 Select a wireless SonicWALL appliance running SonicOS Standard. 2 Expand the WGS tree and click External Authentication. The External Authentication page displays. 3 Check Enable External Guest Authentication to enable the external authentication feature and configure the tabs as follows: