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随着计算机技术的迅速发展,在计算机上处理的业务也由基于单机的数学运算、文件处理,基于简单连接的内部网络的内部业务处理、办公自动化等发展到基于企业复杂的内联网(Intranet)、企业外联网(Extranet)、全球互联网(Internet)的企业级计算机处理系统和世界范围内的信息共享和业务处理。在系统处理能力提高的同时,系统的联接能力也在不断的提高。但在联接能力、信息流通能力提高的同时,基于网络联接的系统安全问题也日益突出:
With the rapid development of computer technology, the business processed on the computer has also been developed from single business math operations, file processing, internal business processing based on the simple connected internal network, office automation, and the like to enterprise complex internal network (Intranet) Enterprise extranets, the global Internet enterprise-class computer processing systems and worldwide information sharing and business processes. In the system to improve the processing power at the same time, the system’s ability to connect is also constantly improving. However, in connection with the ability to improve the ability of information flow, system security issues based on network connection are also increasingly prominent: