Wireless LAN Security Vulnerabilities and Improvement Measures

This paper mainly analyzed the security of TKIP protocol and VPN technology ,the wireless LAN 802.11 and 802.1x/EXP security vulnerabilities: defects of SSID and MAC Address Filtering, defects of User Authentication Method, security vulnerabilities of WEP Algorithm, defects of 802.1x / EAP and RADIUS Authentication, etc. The author put forward improvement authentication and encryption method as improving wireless LAN security measures.