Random Time Identity Based Firewall In Mobile Ad hoc Networks
Suman, R. B. Patel, Parvinder Singh, R. B. Patel, B. P. Singh · AIP conference proceedings · 2010
A mobile ad hoc network (MANET) is a self-organizing network of mobile routers and associated hosts connected by wireless links.MANETs are highly flexible and adaptable but at the same time are highly prone to security risks due to the open medium, dynamically changing network topology, cooperative algorithms, and lack of centralized control.Firewall is an effective means of protecting a local network from network-based security threats and forms a key component in MANET security architecture.This paper presents a review of firewall implementation techniques in MANETs and their relative merits and demerits.A new approach is proposed to select MANET nodes at random for firewall implementation.This approach randomly select a new node as firewall after fixed time and based on critical value of certain parameters like power backup.This approach effectively balances power and resource utilization of entire MANET because responsibility of implementing firewall is equally shared among all the nodes.At the same time it ensures improved security for MANETs from outside attacks as intruder will not be able to find out the entry point in MANET due to the random selection of nodes for firewall implementation.