通过阐述入侵检测系统的基本概念和移动Agent 的优点,并将移动Agent 技术与分 布式技术相结合,提出了一种基于移动Agent 的新型分布式入侵检测系统DIDSBMA,它具有传统入侵检测技术无法比拟的优势,极大地提高了系统的稳定性、可测量性和容错性,真正实现了分布式入侵检测。 关键词:移动Agent;入侵检测;分布式 Abstract: Basic concept of intrusion detection system and the merit of mobile agent are presented, and agent technology and distributed technology are combinationed, then a structure model of mobile agent based on novel distributed intrusion detection system DIDSBMA is propsed.It has the superiority which the traditional intrusion detection technology is unable to compare, and it remarkably enhanced the system stability, scalability and fault-resistant behavior,so the distributional intrusion detection has been realized truly. Key words: Mobile Agent;Intrusion Detection;Distributed