Efficient and beneficial defense against DDoS direct attack and reflector attack

  • Authors:
  • Yanxiang He;Wei Chen;Wenling Peng;Min Yang

  • Affiliations:
  • Computer School, The State Key Lab of Software Engineering, Wuhan University, Hubei, China;Computer School, The State Key Lab of Software Engineering, Wuhan University, Hubei, China;Computer School, The State Key Lab of Software Engineering, Wuhan University, Hubei, China;Computer School, The State Key Lab of Software Engineering, Wuhan University, Hubei, China

  • Venue:
  • ISPA'05 Proceedings of the Third international conference on Parallel and Distributed Processing and Applications
  • Year:
  • 2005

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Abstract

Distributed Denial-of-Service (DDoS) attacks misuse network resource and bring serious threats to the internet. Detecting DDoS at the source-end has many advantages over defense at the victim-end and intermediate-network. However, one of the main problems for source-end methods is the performance degradation brought by these methods and no direct benefit for Internet Service Provider(ISP), which discourages ISPs to deploy the defense system. We propose an efficient detection approach, which only requires limited fixed-length memory and low computation overhead but provides satisfying detection results. Our method is also beneficial because the method can not only detect direct DDoS attack for other ISPs, but also protect the ISP itself from reflector DDoS attack. The efficient and beneficial defense is practical and expected to attract more ISPs to join the cooperation. The experiments results show our approach is efficient and feasible for defense at the source-end.