Abstract

Sensor networks play a key role in collecting information from the human unattended and surveillance area. The information collected from any types of networks should be secure in all perspective and that too security in sensor networks is crucial because the information is of auto generated type and it is difficult to distinguish between original and replicated information at receiver side. The existing secure mechanism like cryptographic techniques is too complex and it affects the performance of the sensor networks by dissipating more energy for both computational and communicational purpose. This research work aims to propose a low complex simple secure mechanism for sensor networks which can withstand the simple types of attacks to provide a framework for achieving Confidential, Authentication and Integrity. This security is achieved by adopting a firewall rules and packet filtering in the sensor networks with an efficient clustering mechanism for the resource constrained sensor devices.

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