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Tyler Roahrig
Address Resolution Protocol
Many names
-ARP Poisoning
-ARP Spoofing
-ARP Poison Routing
 Attacks Ethernet wired or wireless
networks

How ARP Poisoning Works
ARP Table in the switch
 Associate the attacker’s MAC address
with the victim’s IP address
 The attacker then becomes the “man-inthe-middle”

Defense
Open source program ArpON
-Static ARP inspection
-Dynamic ARP inspection
 DHCP snooping
-DHCP service on the network keeps
track of MAC address attached on each
port

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