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远程访问意味着网络变得更加“开放”,开放的网络需要完善的安全机制来确保网络的安全运行 .文中基于自行研制的访问服务器 (NAS) ,研究和实现了分布式远程访问安全管理系统 ,给出了基于 Client/ Server的系统结构模型和基于 Petri网的系统安全模型 .该系统实现了远程访问用户的安全认证、访问授权和记费管理 .
Remote access means that the network becomes more “open”, and the open network needs perfect security mechanism to ensure the safe operation of the network.Based on the self-developed access server (NAS), the distributed remote access security management system is researched and implemented, The system structure model based on Client / Server and the system security model based on Petri net are given.The system realizes the security authentication, access authorization and record keeping management of remote access users.