An Effective Policy Anomaly Management Framework for Firewalls
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 5
Abstract
Firewalls are devices or programs that control the flow of network traffic between hosts or networks that employ differing security postures. While firewalls are often discussed in the context of Internet connectivity, they may also have applicability in various other network environments. At one time, most firewalls were deployed at the network perimeters. This rovided some measure of protection for internal hosts, but it could not recognize all instances and forms of attacks, and attacks sent from one internal host to another often do not pass through network firewalls. Because of these and other factors network designers now often include firewall functionality at places other than the network perimeter to provide an additional layer of network security. Due to the increasing threat of network attacks, firewalls have become important integrated elements not only in the enterprise networks but also in small-size and home networks. Firewalls have been the frontier defense for secure networks against attacks and unauthorized traffic by filtering out unnecessary network traffic coming into or going from the secured network. In this paper, we represent an effective policy anomaly management framework for firewalls, adopting a rule-based segmentation technique to identify policy anomalies and derive effective anomaly resolutions.
Authors and Affiliations
Akula Kumar, Syed Gouse
Keywords
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