International Journal of Computer Applications
Due to the rapid growth in the field of Internet, the related security mechanisms are the key area of research. Firewalls serve the solution for secured Internet experience. Latest firewalls are fully-equipped for providing hi-end security to the network. However, due to the continuous growth of security threats, the firewall mechanisms and policies are compulsorily needed to get updated. The manual processing for detecting anomalies in firewall is complex and often error-prone. Any minor change in the rule set of firewall leads to the requirement of rigorous analysis for maintaining the consistency and efficiency of firewall mechanism.