计算机网络安全与防火墙技术

为保证计算机网络系统的安全,应混合使用多种安全防护策略。现代防火墙技术已从网络安全的最底层逐步走向网络层之外的其他安全层次,在完成传统防火墙的过滤任务的同时,还能为各种网络就用提供相应的安全服务。

Computer Network Security and Firewall Technology

In order to guarantee the security of computer network system, should be mixed use of a variety of security strategy. Modern network security firewall technology from the bottom layer gradually network other than the safety level, the completion of the traditional firewall filtering tasks at the same time, but also for the various networks used to provide the appropriate security services.