0引言当今信息时代,各大单位基本都采用网络模式进行日常的信息共享和传递,这样服务器的维护就尤为重要,稍不注意就会使单位网络陷入瘫痪。笔者根据目前的网络安全进行分析,同时参考相关文献,了解到恶意的网络攻击行为包括两类:一是恶意的攻击行为,如拒绝服务攻击、网络病毒等,这些行为消耗大量的服务器资源,影响服务器的运行速度和正常工作,甚至使服务器所在的网络瘫痪;另一类是恶意的入侵行为,这种行为会导致服 0 Introduction Today’s information age, the major units are basically using network mode for daily information sharing and delivery, so server maintenance is particularly important, a little careless will make the unit network paralyzed. According to the current network security analysis, the author also learned that malicious network attacks include two types: one is malicious attacks such as denial of service attacks, network viruses, etc., which consume a large amount of server resources, affecting Server speed and normal work, and even the network where the server is paralyzed; the other is a malicious intrusion, this behavior will lead to service