Scenario Analysis using Out-of-line Firewall

Saliou, L., Buchanan, W., Graves, J., Munoz, J. (2007). Scenario Analysis using Out-of-line Firewall. In: Remenyi, D. (Ed.) 6th European Conference on Information Warfare and Security, , () ( ed.). (pp. 227-235). Shrivenham, UK: . Academic Conferences International.


ISBN: 978-1-905305-49-0
ISSN:

Abstract

Distributed Denial-of-Service (DDoS) attacks against corporate networks and assets are increasing, and their potential risk for future attacks is also a major concern. These attacks typically aim at disabling computer network infrastructure, and, since there is no one method to mitigate this type of threat, organisations must deploy adequate solutions, and assess the adequacy of their choices against their network requirements, through analysis, such as a simulation, or through network device modelling. A key factor is that DDoS is a dynamic type of attack, and thus device performance is a key parameter, especially for intermediate devices, such as network firewalls. Most of the modelling, though, for firewalls is focusing on static and logical performance attributes, such as whether traffic is denied or permitted. Thus existing models typically cannot deal with dynamic issues when related to intermediate devices. Simulation tools might be possible, but it is often difficult to cover a whole range of devices, thus this paper outlines a novel method of modelling the dynamic performance of network firewalls, and in measuring if they can cope with varying network loads.
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Authors

William Buchanan
Director of CDCS
w.buchanan@napier.ac.uk
+44 131 455 2759
Jamie Graves
Affiliate Research Fellow
j.graves@napier.ac.uk
+44 131 455

Areas of Expertise

Cyber-Security
Electronic information now plays a vital role in almost every aspect of our daily lives. So the need for a secure and trustworthy online infrastructure is more important than ever. without it, not only the growth of the internet but our personal interactions and the economy itself could be at risk.

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