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arp病毒的解决办法

发布日期:2019/02/14 08:00:00

  在企业内网中,由于上班人员使用设备复杂,U盘在家用电脑以及公用电脑之间交叉使用,还有一些不安全的上网操作,容易使办公电脑感染ARP病毒,攻击其他正常电脑,导致上网缓慢,卡顿。

  解决办法:

  1、Windows-菜单-运行,输入:cmd,进入后台命令界面

  输入:arp-a,出现一个 IP地址对应MAC地址的列表

arp病毒的解决办法

  上图是正常情况;其中10.90.11.1为内网网关,

  异常清下:如果发现网关的MAC地址发生了改变,或者发现有很多IP指向同一个物理地址,那么肯定就是ARP欺骗所致。

  2、使用arp –d命令,清楚本机arp列表,可以临时解决上网问题。

  3、查找感染病毒的主机,通过检查错误的内网忘光对应的MAC地址,我们可以知道感染病毒的主机MAC地址,但是手动排查台麻烦,这个时候可以使用tracert -d + 任一网址的方法来检查路由:

arp病毒的解决办法

  如上图所示,正常情况下第一跳应该是默认网关,在收到arp攻击的主机第一跳会被arp病毒欺骗,所以第一跳的非网关IP既是感染的主机IP。


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