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计算机互联网发展迅速，为了保护内部网络的安全及计费的需要，必须设置防火墙与代理服务器。而如何使代理服务器利用多台服务器上的用户认证信息进行认证，却是未曾解决的问题。文章提出了一种安全的分布式实时认证方案，安全、高效地解决了这一问题，减轻了系统管理员的维护工作量，具有实用价值。
Computer Internet has developed rapidly, in order to protect the internal network security and billing needs, you must set up a firewall and proxy server. How to make the proxy server use multiple server authentication information on the user authentication, but it is an unresolved issue. This paper presents a secure distributed real-time authentication scheme, which solves this problem safely and efficiently, and reduces the maintenance workload of system administrators, which is of practical value.