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Methods, systems, and computer program products for detecting and mitigating denial of service attacks in a telecommunications signaling network

  • US 20060236402A1
  • Filed: 04/15/2005
  • Published: 10/19/2006
  • Est. Priority Date: 04/15/2005
  • Status: Active Grant
First Claim
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1. A method for detecting and mitigating a denial of service (DoS) attack in a telecommunications signaling network, the method comprising:

  • (a) collecting per link traffic rate information for at least two signaling links in a signaling network;

    (b) determining whether a traffic rate on at least a first signaling link of the plurality of signaling links exceeds a traffic rate on at least a second signaling link of the plurality of signaling links by a predetermined threshold; and

    (c) in response to determining that the traffic rate on the first signaling link exceeds the traffic rate on the second signaling link by a predetermined threshold, indicating a denial of service attack.

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