众所周知,网络安全是一个非常重要的课题,而服务器是网络安全中最关键的环节。Linux被认为是一个比较安全的Internet服务器,作为一种开放源代码操作系统,一旦Linux系统中发现有安全漏洞,Internet上来自世界各地的志愿者会踊跃修补它。然而,系统管理员往往不能及时地得到信息并进行更正,这就给黑客以可乘之机。然而,相对于这些系统本身的安全漏洞,更多的 As we all know, network security is a very important issue, and the server is the most critical part of network security. Linux is considered a relatively secure Internet server. As an open-source operating system, volunteers from around the world are actively re-patching security vulnerabilities found on Linux systems. However, system administrators often fail to get the information in a timely manner and make corrections, which gives hackers an opportunity. However, there are more security vulnerabilities than these systems themselves