In a network security system, clients search for neighbor access points (APs) in order to establish wireless connections to a LAN. As a result of the search, each of the clients dispatches a list of access points obtained to a controller. The controller detects non-registered access points by comparing...http://www.google.com.hk/patents/US7639640?utm_source=gb-gplus-share專利 US7639640 - Network security system, computer, access point recognizing method, access point checking method, program, storage medium, and wireless LAN device
