无线局域网的安全问题已经引起越来越多的重视,对影响无线局域网安全的风险与威胁进行分析,在此基础上采取相应的对策是亟待解决的问题。本文在分析入侵检测原理的基础上,阐述了无线网络入侵检测系统的实现过程,包括包捕获模块、协议处理模块、日志记录模块以及检测机制与性能分析。 Wireless LAN security issues have attracted more and more attention, the wireless LAN security risks and threats are analyzed, on the basis of which to take appropriate measures is an urgent problem to be solved. Based on the analysis of the principle of intrusion detection, this paper describes the implementation of wireless network intrusion detection system, including packet capture module, protocol processing module, logging module and detection mechanism and performance analysis.