PHASE: Who has 192.168.1.1?33% COMPLETION
Abort Mission
MODULE 05

Address Resolution Protocol (ARP)

How IP addresses map to MAC addresses and ARP Spoofing attacks.

Who has 192.168.1.1?

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Switches don't understand IP addresses. They only understand MAC addresses. ARP is the glue between Layer 2 and Layer 3.

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The Vulnerability

< p class="text-sm text-zinc-400" > ARP has no authentication.If I tell your computer "I am the Router", your computer believes me. This is < strong > ARP Spoofing (or ARP Poisoning).