Because of the defects of ARP itself,there are very serious problems in ARP,such as peculating IP address and ARP spoofing. The paper analyzes the principle of ARP Attacks,and puts forword the prevention methods for the ARP attacks.

• 由于ARP协议的设计缺陷,使得ARP协议在使用过程中存在着盗用IP地址ARP欺骗等严重的网络安全问题,本文通过对ARP攻击的基本原理的分析,提出了相关的ARP攻击的解决方法。