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Address Resolution Protocol
A R P
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I need the MAC address of machine with IP 192.168.1.69
I need to encapsulate it in a frame ARP!! I want to send a packet to the machine with IP address 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F CC:A4:F7:99:CA:76 A packet cannot be sent directly to the medium. It has to be inside a frame FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP (Address Resolution Protocol)
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F ARP (Address Resolution Protocol) To find out the MAC address of a machine given its IP address CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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Now, I can create the frame I need to send ARP request BROADCAST
¿Who has the MAC address for ? 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F CC:A4:F7:99:CA:76 I am and my MAC address is F0:CC:5B:34:BB:09 ARP reply UNICAST FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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Do I have to do this for every packet?
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F Do I have to do this for every packet? CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP cache ARP cache Dir IP Dir MAC 192.168.1.69 F0:CC:5B:34:BB:09
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F CC:A4:F7:99:CA:76 ARP cache Dir IP Dir MAC F0:CC:5B:34:BB:09 ARP cache Dir IP Dir MAC CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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Dir IP Dir MAC Dir IP Dir MAC Dir IP Dir MAC Dir IP Dir MAC
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F Dir IP Dir MAC CC:A4:F7:99:CA:76 F0:CC:5B:34:BB:09 FA:BC:98:94:8C:c2 CC:A4:F7:99:CA:76 Dir IP Dir MAC F0:CC:5B:34:BB:09 09:FC:6B:CC:D2:55 FA:BC:98:94:8C:c2 Dir IP Dir MAC CC:A4:F7:99:CA:76 09:FC:6B:CC:D2:55 F0:CC:5B:34:BB:09 FA:BC:98:94:8C:c2 Dir IP Dir MAC CC:A4:F7:99:CA:76 09:FC:6B:CC:D2:55 FA:BC:98:94:8C:c2 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP packet F0:CC:5B:34:BB:09 192.168.1.69 CC:A4:F7:99:CA:76
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F ARP packet Hardware Type Protocol Type Hardware Lentgh Protocol Length Operation Request 1, Reply 1 Sender Hardware Address (6 bytes for Ethernet) Sender Protocol Address (4 bytes for IP) CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP Request 1 800h 6 4 CC:A4:F7:99:CA:76 192.168.1.101
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F ARP Request 1 800h 6 4 CC:A4:F7:99:CA:76 00:00:00:00:00:00 CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP Reply 1 800h 6 4 2 F0:CC:5B:34:BB:09 192.168.1.69
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F ARP Reply 1 800h 6 4 2 F0:CC:5B:34:BB:09 CC:A4:F7:99:CA:76 CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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FCS F0:CC:5B:34:BB:09 192.168.1.69 CC:A4:F7:99:CA:76 192.168.1.101
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F 1 800h 6 4 CC:A4:F7:99:CA:76 00:00:00:00:00:00 CC:A4:F7:99:CA:76 FCS 806h CC:A4:F7:99:CA:76 FF:FF:FF:FF:FF:FF FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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F0:CC:5B:34:BB:09 192.168.1.69 CC:A4:F7:99:CA:76 192.168.1.101
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F 1 800h 6 4 2 F0:CC:5B:34:BB:09 CC:A4:F7:99:CA:76 CC:A4:F7:99:CA:76 CC:A4:F7:99:CA:76 F0:CC:5B:34:BB:09 806h FCS FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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ARP Poisoning Attack (Man In the Middle)
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F ARP Poisoning Attack (Man In the Middle) CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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Attacker AA:6D:88:76:BA:6F 192.168.1.123 CC:A4:F7:99:CA:76
Dir IP Dir MAC 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F F0:CC:5B:34:BB:09 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F CC:A4:F7:99:CA:76 Attacker FA:BC:98:94:8C:c2 666 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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AA:6D:88:76:BA:6F 192.168.1.123 CC:A4:F7:99:CA:76 192.168.1.101
Dir IP Dir MAC 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F F0:CC:5B:34:BB:09 09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F F0:CC:5B:34:BB:09 CC:A4:F7:99:CA:76 ARP reply I am And my MAC is: F0:CC:5B:34:BB:09 FA:BC:98:94:8C:c2 666 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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AA:6D:88:76:BA:6F 192.168.1.123 CC:A4:F7:99:CA:76 192.168.1.101
09:FC:6B:CC:D2:55 AA:6D:88:76:BA:6F CC:A4:F7:99:CA:76 FA:BC:98:94:8C:c2 666 F0:CC:5B:34:BB:09 F0:CC:5B:34:BB:09
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