防火墙访问效率与安全性间的平衡及透明度的提高

The Balance of Firewall's Efficiency Against Security and the Enhance of Transparence

网络安全的重要性越来越显著，防火墙作为增强网络安全的一种手段，其作用是显而易见的。但是，防火墙也带来一些负面影响。主要讨论如何通过正确、有效地配置防火墙常用服务（如NAT，DNS，VPN）来平衡安全性和通信效率以及如何提高防火墙的透明度。

Thc importance of nctwork security appcars morc and more prominent,as a method to cnhance nctwork seeurity, firewaIl is veryuseful.However, firewall also brings out some negative innuence. This paper mainly focus on how to correetIy and cffieciently configure thecommon services (such as NAT,DNS,VPN) providcd by firewall to balance the security against communication efficiency and how to improvefirewall's transparcnce.