ARP Attacks and Protection Principles

ARP is the Address Resolution Protocol(ARP) is referred to,is the TCP/IP protocol in the bottom of one of the agreements.Its role is to complete the IP address to MAC(physical address) of the conversion.In the LAN communication between two computers,or LAN computer IP datagrams forwarded to the gateway when the card needs to know the physical address of the target computer,the physical frame to fill the destination address.ARP spoofing and attacks took advantage of this point;it will fill its own MAC address of a normal ARP protocol session,so as to achieve the purpose of deception and attack.By IP address and MAC address static binding can effectively prevent the ARP attacks.