To provide a technology capable of accommodating, in parallel, wireless networks of a plurality of user groups having different authentication policies etc and providing a proper communication service in response to an access from a user of each of the user groups. A wireless LAN control device 3 includes a wireless LAN control unit having a transmitting/receiving unit performing communications with a plurality of wireless LAN access points 4 belonging to different user groups and a wireless LAN connection control unit executing control of transferring a user authentication request received by the transmitting/receiving unit via one of the plurality of wireless LAN access points 4 and given from a wireless LAN terminal 5 belonging to one of the user groups toward an authentication server 2 that should execute an authentication process in response to the user authentication request, and transmitting an authentication result given from the authentication server 2 in response to the user authentication request to the wireless LAN terminal 5 via one of the plurality of wireless LAN access points 4.