随着对网络安全的认识和技术的研究,发现大多的泄密或入侵都是内部人员所为,防止内部的非法违规行为比抵御外部的入侵更为重要。因此,介绍网络的综合审计系统,并对网络内部入侵检测系统的部署进行分析和研究。 With the understanding of network security and technology research, we find that most of the leaks or intrusion are caused by insiders. It is more important to prevent internal illegal infringement than to resist external intrusion. Therefore, it introduces the comprehensive audit system of network and analyzes and researches the deployment of network intrusion detection system.