Simpson, Steven and Lindsay, Adam and Hutchison, David (2010) Identifying Legitimate Clients under Distributed Denial-of-Service Attacks. In: 4th International Conference on Network and System Security (NSS), 2010. IEEE, pp. 365-370. ISBN 978-1-4244-8484-3Full text not available from this repository.
Distributed Denial of Service (DDoS) attacks are a persistent, current, and very real threat to networks. Expanding upon a flexible distributed framework for network remediation utilising multiple strategies, we examine a novel fusion of methods to maximise throughput from legitimate clients and minimise the impact from attackers. The basic approach is to build up a whitelist of likely legitimate clients by observing outgoing traffic, presenting a challenge though proof-of-work, and providing flow cookies. Traffic that does not match the expected profile is likely attack traffic, and can be heavily filtered during attack conditions. After we incrementally develop this approach, we explore the positive and negative impacts of this approach upon the network and analyse potential countermeasures.
|Item Type:||Contribution in Book/Report/Proceedings|
|Uncontrolled Keywords:||Countermeasures ; DDoS ; Flow cookies ; Mitigation ; Proof-of-work ; Remediation|
|Subjects:||Q Science > QA Mathematics > QA75 Electronic computers. Computer science|
|Departments:||Faculty of Science and Technology > School of Computing & Communications|
Faculty of Arts & Social Sciences > Lancaster Institute for the Contemporary Arts
|Deposited On:||11 Nov 2010 10:46|
|Last Modified:||10 Feb 2016 01:10|
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