What Does Address Resolution Protocol Spoofing (ARP Spoofing) Mean?
Address resolution protocol (ARP) spoofing is a technique that causes the redirection of network traffic to a hacker. Spoofing may denote sniffing out LAN addresses on both wired and wireless LAN networks. The concept behind this type of spoofing is to send bogus ARP communications to Ethernet LANs and the attack may modify traffic or block it altogether.
Techopedia Explains Address Resolution Protocol Spoofing (ARP Spoofing)
There are three types of ARP spoofing: