MITIGATION OF DENIAL OF SERVICE ATTACK USING ICMP BASED IP TRACKBACK

Abstract

Denial of Service (DoS) is a major threat in Network Communication which floods a remote host network with large amount of traffic thereby denying services to the legitimate computer requesting resources. In this paper an ICMP traceback message scheme is proposed to solve the problem of finding the true origin of packets causing DoS. The main objective is to propose a method to trace back the attacker without the involvement of reflector in order to reduce the traffic. The proposed method is a hybrid of bloom filters and iTrace. This method reduces the traffic and the number of ICMP messages. In bloom filters, edge router produces the ICMP messages and in iTrace each router generates ICMP messages.