Firewalls anomalies severity evaluation and classification
by Kamel Karoui; Fakher Ben Ftima; Henda Ben Ghezala
International Journal of Security and Networks (IJSN), Vol. 9, No. 3, 2014

Abstract: Firewalls are the most widely adopted security devices for network protection. These components are often implemented with several errors (or anomalies) that are sometimes critical. To ensure the security of their networks, administrators should detect these anomalies and correct them. Before correcting the detected anomalies, the administrator should evaluate and classify these latter to determine the best strategy to correct them. In this work, we propose a process to evaluate and classify the detected anomalies using a three evaluation criteria: a quantitative evaluation, a semantic evaluation and multi-anomalies evaluation. The proposed process, convenient in an audit process, will be detailed by a case study to demonstrate its usefulness.

Online publication date: Mon, 10-Nov-2014

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