本文介绍了在客户工作站／服务器或类似的大的网络环境中所广泛采用的认证软件-Kerberos。第一书阐述其工作机理，第二书介绍Kerberos协议，第三节讨论了工作步骤，第四节介绍Kerberos版本。网络安全是信息安全领域的一个十分热门的分支，而用户认证是网络安全需解决的重要问题。因此，本文内容会对关心网络安全的同行有点研益。 This article describes Kerberos, a widely used authentication software for client workstations / servers or similar large network environments. The first book describes its working mechanism, the second book describes the Kerberos protocol, the third discusses the working steps, and the fourth introduces the Kerberos version. Network security is a very popular branch in the field of information security, and user authentication is an important issue to be solved in network security. Therefore, this article will be interested in the network security colleagues a little research.