International Journal of Computer Applications
"In the last few years, the internet has experienced explosive growth. Along with the widespread evolution of new emerging services, the quantity and impact of attacks have been continuously increases, attackers continuously find vulnerabilities at various levels, from the network itself to operating system and applications, exploit the to crack system and services. Defense system and network monitoring has becomes essential component of computer security to predict and prevent attacks. Unlike traditional Intrusion Detection System (IDS), Intrusion Prevention System (IPS) has additional features to secure computer network system."