Abstract: The wired network to wireless network is a worldwide trend in the past few days. The suspicious or malicious activities are detected using intrusion detection system. The most important and unique application is Mobile Ad hoc NETwork (MANET). In this paper, we have implemented a new intrusion-detection system called Enhanced Adaptive Acknowledgment (EAACK) particularly modelled for MANETs. In this paper, we are focus on Denial of Services Attack.

Keywords: Enhanced Adaptive Network, Dos Attack, MANETs, Digital Signature Algorithm.