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Security of wireless ad hoc network over insecure communication channel is a challenging task. In this paper, some of the threats to wireless ad hoc networks and specifically, some attacks against the AODV routing protocol re discussed. AODV tool is aimed at real-time detection of these attacks. This tool monitors network packets to detect local and distributed attacks within its radio range. In ad hoc networks, there is no established infrastructure or centralized administrator. Wireless ad hoc networks are vulnerable to various attacks. This paper surveys the various security issues and attacks possible in a wireless ad hoc network and motivates the need for an intrusion detection system.
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