Abstract
Mobile ad hoc networks (MANETs) consist of a collection of wireless mobile nodes, which dynamically exchange data without fixed base station. But, in an unfriendly and uncontrolled terrain conditions, the performance of the routing protocol may deteriorate due to intrusion. Thus, secured routing is an essential requirement for MANETs, to provide protected communication between mobile nodes. In this paper, we examine security issues related to the Optimized Link State Routing (OLSR) protocol, a proactive routing protocol for MANETs. In particular, we concentrate on the identity spoofing attack in OLSR and the network performance under this attack. We enumerate a number of possible attacks against the integrity of the OLSR routing infrastructure, due to identity spoofing. The simulation in OPNET shows that the performance of the networks degrades with increase in number of malicious nodes.
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