The paper applies data mining technology to network intrusion detection system (NIDS) according to the characteristics of NIDS.The design principles and the implementation of the NIDS are illustrated.

• 摘要针对入侵检测的特点将数据挖掘技术应用于网络入侵检测系统，阐述了网络入侵检测系统的设计原理及其实现。