With the continuous development of China's science and technology, computers and networks more widely, but the ensuing network security issues can not be ignored.With the means and methods of attack increasingly complex,the traditional static defense technology has lagged behind.In this paper,the actual development of the current computer,the intrusion detection system(Intrusion Detection System)and related analysis and pattern matching algorithms described.%随着我国科学技术的不断发展,计算机与网络的应用越来越广泛,但是随之而来的网络安全问题已不容忽视。随着攻击手段与方法的日益复杂,传统的静态防御技术已经明显落后。本文结合当前计算机发展实际,对入侵检测系统(Intrusion Detection System)以及相关模式匹配算法进行分析与阐述。
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