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Address Resolution Protocol (ARP)
A network protocol used to map an IP address to a MAC address within a local network.
Understanding ARP
Every device on a network relies on ARP to find the physical address of other connected devices. However, ARP lacks authentication, making it susceptible to spoofing attacks.
Best Practices
Implement Dynamic ARP Inspection (DAI) to detect and block spoofed ARP packets.
Use static ARP entries for critical systems to prevent spoofing.
Deploy network segmentation to reduce attack surface.
Challenges and Considerations
Detecting ARP spoofing in large networks.
Performance impact of security measures on network traffic.
Need for continuous monitoring to prevent MITM attacks.
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