Detecting distributed denial of service attacks by sharing distributed beliefs

  • Authors:
  • Tao Peng;Christopher Leckie;Kotagiri Ramamohanarao

  • Affiliations:
  • ARC Special Research Center for Ultra-Broadband Information Networks, Department of Electrical and Electronic Engineering, The University of Melbourne, Victoria, Australia;ARC Special Research Center for Ultra-Broadband Inf. Networks, Dept. of Electrical and Electronic Eng., The Univ. of Melbourne, Victoria, Australia and Dept. of Computer Sci. and Software Eng., Th ...;ARC Special Research Center for Ultra-Broadband Inf. Networks, Dept. of Electrical and Electronic Eng., The Univ. of Melbourne, Victoria, Australia and Dept. of Computer Sci. and Software Eng., Th ...

  • Venue:
  • ACISP'03 Proceedings of the 8th Australasian conference on Information security and privacy
  • Year:
  • 2003

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Abstract

We propose a distributed approach to detect distributed denial of service attacks by monitoring the increase of new IP addresses. Unlike previous proposals for bandwidth attack detection schemes which are based on monitoring the traffic volume, our scheme is very effective for highly distributed denial of service attacks. Our scheme exploits an inherent feature of DDoS attacks, which makes it hard for the attacker to counter this detection scheme by changing their attack signature. Our scheme uses a sequential nonparametric change point detection method to improve the detection accuracy without requiring a detailed model of normal and attack traffic. In a multi-agent scenario, we show that by sharing the distributed beliefs, we can improve the detection efficiency.