0引言现在信息时代快速发展,计算机的应用进入了一个新的时代,网络上的信息数据愈加海量,但同时网络信息数据安全问题也更加的突出。计算机给了大众一个很好的沟通和交流的平台,同时有些使用这个平台来进行网络攻击和窃取重要信息资料也更为方便,网络攻击和网络安全防护一直都是计算机领域中的一个重要方面,各种重要敏感信息难免被不法人员攻击和窃取。防 0 Introduction Nowadays the information age is developing rapidly, and the application of computer has entered a new era. The information and data on the network are becoming more and more massive. However, the security of network information and data is also more prominent. Computer gives the public a good platform for communication and exchange. At the same time, it is also more convenient to use this platform for network attacks and theft of important information and data. Network attacks and network security protection have always been an important aspect of the computer field. A variety of important sensitive information is inevitably attacked and stolen by unlawful personnel. Anti