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Effect of Selfish Attack and Prevention Scheme on TCP and UDP in MANET


Archana Shukla, Sanjay Sharma


Vol. 13  No. 8  pp. 94-98


Mobile Ad-hoc networks are a collection of mobile hosts that communicate with each other without any infrastructure and centralized administration. Due to security vulnerabilities of the routing protocols, Mobile ad hoc networks may be unprotected against attacks by the malicious nodes. One of these attacks is the Selfish Attack against network integrity absorbing all routing packets as well as data packets in the network. Since the data packets do not reach the destination by that due to this attack, intense data loss will occur. The damage will be serious if malicious node in a network working as an attacker node absorbs all data packets and routing packets delivered through them. In this paper we proposed a simple IDS scheme against selfish attack and measure the performance of TCP and UDP packets after applying IDS. We simulated selfish node attacks in network simulator 2 (ns-2) and measured the packet loss in the presence of selfish node and in presence of Intrusion Detection System against Selfish node attack.. Our solution improved the 80% network performance in the presence of a selfish attack.


MANET, Selfish node attack, AODV, ns-2.