Mitigating route request flooding attacks in mobile ad hoc networks

  • Authors:
  • Zhi Ang Eu;Winston Khoon Guan Seah

  • Affiliations:
  • School of Computing, National University of Singapore;School of Computing, National University of Singapore

  • Venue:
  • ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
  • Year:
  • 2006

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Abstract

A mobile ad hoc network is set up with a group of mobile wireless nodes without the use of any dedicated routers or base stations Each node acts as an end node as well as a router for other nodes There are generally two types of ad hoc routing protocols, reactive and proactive routing protocols The focus of this paper centers on reactive routing protocols which establish routes between communicating nodes when needed using a route discovery process involving Route Requests and Route Replies, a process which can be easily misused for denial-of-service attacks In this paper, we will describe one such attack, the Route Request Flooding Attack (RRFA) targeted at reactive routing protocols used in mobile ad hoc networks Then, we propose the Route Request Flooding Defence (RRFD) mechanism that is designed to reduce the impact of RRFA Finally, we present simulation results to show the detrimental effects of RRFA and the effectiveness of RRFD.