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阐述并分析了一个防火墙软件系统结构,论述了由代理服务器实现防火墙基本功能要求的基本方案,以HTTP代理服务器的设计为例,给出了较为详细的流程图
Elaborates and analyzes the structure of a firewall software system, discusses the basic scheme that the proxy server realizes the basic function of the firewall, and takes the design of the HTTP proxy server as an example, gives a more detailed flow chart