ARP_spoofing ARP_spoofing

ARP spoofing - Definition and Overview

Related Words: Circumvention, Deceiving, Deception, Delusion, Entanglement, Entrapment, Fallacy, Hallucination, Illusion
A typical Ethernet frame. A spoofed frame could have faked source  to trick devices on the network.
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A typical Ethernet frame. A spoofed frame could have faked source MAC addresses to trick devices on the network.

ARP Spoofing, also known as ARP poisoning is a technique used by crackers in order to sniff frames on a switched LAN or stop the traffic on the LAN.

The principle of ARP spoofing is to send fake ARP replies to the LAN. The frame contains a different MAC address than the one belonging to the machine sending. This confuses network devices, such as switches, and as a result frames intended for one machine can be mistakenly sent to another (allowing the packets to be sniffed) or an unreachable host (denial-of-service).

Using IPv6, IPsec and static ARP records are methods to defend against ARP spoofing attacks.

See Also

External links

  • ettercap (http://ettercap.sourceforge.net/)
  • ARPToxin (http://www.phrite.net/default.php?page=tools&id=1)
  • XArp (http://www.chrismc.de)

Example Usage of spoofing

bekselmans: @codaset Did your The RSA host key for codaset.com changed? (Or am I really suffering a dns spoofing?)
Twilight_Videos: Spoof: Twilight and New Moon: Here are some videos spoofing Twilight and New Moon..syn{font-fami... http://bit.ly/7aUfI4 #twilight #newmoon
Blizfulness: soo funny - they're spoofing Katorse!!.. hahaha
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