【摘要】 保障网络系统安全的技术有许多种，其中对网络安全进行主动监控的网络入侵监视系统能够极大地增强网络的安全性。从分析目前网络存在的安全隐患入手，阐明网络入侵监视系统的功能及实现方法，并着重分析了分布式网络入侵监视系统的设计方法。更多还原

【Abstract】 Tilers arc kinds or technologic of: to ensure the networks security. Among them, the intrusion detection system which "lakes the active detection to the network security can greatly enhance the security of the network. Begining with the analysis of the exist leak of the netWork seeurity, this article abstracts the functions and the impletation of the network in rus in detection sysem and it also analysizes the design methods of the distributed intrusion detecion system更多还原