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Method and device for preventing network attacks

  • US 20110264908A1
  • Filed: 04/29/2011
  • Published: 10/27/2011
  • Est. Priority Date: 10/31/2008
  • Status: Active Grant
First Claim
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1. A method for preventing network attacks, comprising:

  • obtaining a data packet, wherein a source address of the data packet is a cryptographically generated address (CGA);

    detecting the obtained data packet, and determining whether the data packet comprises a CGA parameter and signature information;

    authenticating the CGA parameter if the data packet comprises the CGA parameter and the signature information, and authenticating the signature information according to the successfully-authenticated CGA parameter; and

    sending the data packet to a destination address after the signature information is authenticated.

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