计算机网络防火墙的应用

随着网络应用的日益普及和更为复杂，网络安全事件不断出现，电脑病毒网络化趋势愈来愈明显，垃圾邮件日益猖獗，黑客攻击成指数增长，利用互联网传播有害信息手段日益翻新等等。网络在带给人们自由开放的同时，也带来不可忽视的安全风险。

The Application of Computer Network Firewall

With the increasing popularity of network applications and more complex, the persistent occurrence of network security, computer virus, network trend is increasingly apparent that the increasingly rampant spam, hacker attacks exponential growth in use of the Internet means of disseminating harmful information such as the increasing renovation and so on.To bring people to a free and open networks in the same time, it also brings security risks can not be ignored.