网络入侵检测系统模式匹配算法研究

Research on pattern matching algorithmic of network intrusion detection system

模式匹配算法是网络入侵检测中的关键所在,它直接影响到网络入侵检测系统的实时检测性能。引入4种模式匹配算法,分析其工作原理,通过实验对上述4种算法进行了性能测试。根据实验结果,得出了不同算法的应用范围,为今后入侵检测系统开发者选择模式匹配算法提供了有价值的参考。

Pattern matching algorithm is important in network intrusion detection system, which influences real time detection performance of network intrusion detection system. Four pattern matching algorithms are introduced, then their working principle and tested performance of four pattern matching algorithm through experiment are analyzed. According experiment result, it ensures applying range of dlfferent algorithm, provides useful referenee of ~eleeting pattern matching algorithm for developing NIDS.