介绍ICMP协议及其特性，分析了黑客利用ICMP协议而产生的攻击：ICMP洪流和重定向，并提供了相应的解决方法。
This paper introduced ICMP and its characteristics, analyzing the hacker make use of ICMP but output attack: ICMP flood and redirect, and provided the homologous the method of solution to them.
针对常见的IP地址欺骗、IP源路由欺骗、ICM P重定向欺骗、IP劫持等网络攻击给予了分析并在过滤管理模块中给出了防御的方法。
Common network attacks such as IP spoofing, source route spoofing, ICMP redirect deception and IP Hijack are analyzed and protected by filter manage module.
ARP欺骗及ICM P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。
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协议欺骗是网络欺骗行为之一，它使得攻击者可以重定向一个以太网段上的IP数据报以取得目标主机的信任。
The ARP spoofing is one of the spoofing on the network, which allows an attacker to redirect the IP packets on a network segment of Ethernet so that he can get the trust of the target host.
该协议对于移动用户易遭受重定向攻击。
The other is that it easily suffers from the re-direction attack for the users.
该协议对于移动用户易遭受重定向攻击。
The other is that it easily suffers from the re-direction attack for the users.
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