随着计算机技术的推广普及,社会各领域各行业的信息化建设进程和网络化技术发展得到了强有力的推动。近年来,一些企事业单位广泛采用了以计算机为工具的自动化办公、业务管理系统,有一定规模的单位在局部应用微机的基础上,开始建设安装内部信息网络,并运用管理或专业工具软件,进行信息加工处理。这样,网络系统的使用和发展,内部网络安全运行的重要性日 With the popularization of computer technology, the information construction process and network technology development in various fields and sectors in society have been strongly promoted. In recent years, a number of enterprises and institutions have widely adopted computer-based automated office and business management systems. Units with a certain scale have begun to build and install internal information networks based on the application of local computers and have used management or professional tools, Information processing. In this way, the use and development of network systems, the importance of the internal network security operation day