如今计算机已经成为人们生活中的不可或缺的伙伴,被广泛应用在各个行业中。随着互联网的普及,计算机网络安全问题成了广大用户最为重视的首要因素。因此,计算机网络的安全设计显得尤为重要。在进行安全设计时,要针对不同的环境进行不同的设计与分析,以便更好地进行网络安全系统化管理。 Nowadays computers have become indispensable partners in people’s lives and are widely used in various industries. With the popularity of the Internet, computer network security has become the primary factor most users attach importance to. Therefore, the design of computer network security is particularly important. When conducting security design, different designs and analyzes should be conducted for different environments in order to better manage the network security systematically.