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Methods, systems and computer program products for detecting a spoofed source address in IP datagrams

  • US 20030043853A1
  • Filed: 08/15/2001
  • Published: 03/06/2003
  • Est. Priority Date: 08/15/2001
  • Status: Active Grant
First Claim
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1. A method of determining if a packet has a spoofed source Internet Protocol (IP) address, comprising:

  • evaluating a source media access control (MAC) address of the packet and the source IP address to determine if the source IP address of the packet has been bound to the source MAC address at a source device of the packet; and

    determining that the source IP address of the packet is spoofed if the source IP address is not bound to the source MAC address.

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