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Method and system for addressing attacks on a computer connected to a network

  • US 20060168649A1
  • Filed: 10/26/2004
  • Published: 07/27/2006
  • Est. Priority Date: 10/26/2004
  • Status: Active Grant
First Claim
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1. A method for addressing attacks on a computer connected to a network comprising:

  • receiving at a router a TCP SYN request to be screened;

    comparing the received TCP SYN request to be screened to at least one stored tuple representative of one or more SYN requests previously received at the router and determining that the received TCP SYN request to be screened matches the stored tuple; and

    in response to the determination that the received TCP SYN request to be screened matches the stored tuple, preventing response to the TCP SYN request to be screened with a TCP SYN+ACK response by the router.

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