利用防火墙技术抵御几类攻击

Using Firewall Technology to Defend Several Types Attacks

介绍了路由器防火墙的概念、作用、分类、缺陷和防范可能遭受的攻击 。

Introduces conception,function and different kinds of firewall The limitation of firewall and ways to prevent from possible attacking are discussed Also and several approaches to defeat common attacking methods are presented