Patent ID: 9565165
Date: 2017-02-07
CPC Classifications: H04L,H04W

Claim:
1. A system for controlling virtual private network (VPN) access, the system comprising: a first VPN gateway constituting a VPN with a wireless communication terminal when the wireless communication terminal is connected to an external network; a second VPN gateway constituting a VPN with the wireless communication terminal when the wireless communication terminal is connected to a corporate intranet; a wireless local area network (WLAN) access control server comprising a processor coupled to a memory, the processor configured to detect a connection of the wireless communication terminal to the corporate intranet via the first VPN gateway, and in response to detecting the connection, configured to transmit a request to change a VPN setting of the wireless communication terminal; and a VPN setting change server configured to receive, from the WLAN access control server, the request to change the VPN setting of the wireless communication terminal, and to control the wireless communication terminal to change the first VPN gateway currently in connection with the wireless communication terminal to the second VPN gateway in accordance with the request to change the VPN setting, wherein, when a disconnection of the corporate intranet connection of the wireless communication terminal is detected, the WLAN access control server transmits, to the VPN setting change server, a VPN setting change-back request to change back the VPN setting of the wireless communication terminal, and the VPN setting change server controls the wireless communication terminal to change the second VPN gateway currently in connection with the wireless communication terminal to the first VPN gateway in accordance with the VPN setting change-back request.