ARP spoofing and ICMP redirection attack are used frequently,both of them can sniff the Ethernet or attack the target by means of denial of service.

• ARP欺骗及ICMP重定向攻击是以太网中常用的攻击手段,两者都可达到监听网络或对目标主机进行拒绝服务攻击的效果。