Node A has an IP address 172.17.0.2, which it received from the DHCP pool when it first entered the network. The goal of this protocol is to exchange the MAC address of the next-hop node when the requesting node knows the IP address of the next-hop node.Ĭonsider a LAN network having subnet ID 172.17.0.0/24, where a node, Node A, is trying to navigate to the website. This protocol works between Layer 2 and Layer 3 of the OSI model. What is ARP?ĪRP stands for Address resolution protocol. A malicious user performs this attack on LAN to establish itself as a man in the middle, or sometimes act as the destination node itself. ARP spoofing or ARP cache poisoning is a network exploitation technique in which a malicious node in a local area network claims itself to be one of the other nodes in the network.
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