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Two Layer Denial of Service Prevention on SIP VoIP Infrastructures
Fraunhofer Institute FOKUS.
Fraunhofer Institute FOKUS.
University of the Aegean, Greece.
University of the Aegean, Greece.
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2008 (English)In: Computer Communications, ISSN 0140-3664, E-ISSN 1873-703X, Vol. 31, no 10, p. 2443-2456Article in journal (Refereed) Published
Abstract [en]

The emergence of Voice over IP (VoIP) has offered numerous advantages for end users and providers alike, but simultaneously has introduced security threats, vulnerabilities and attacks not previously encountered in networks with a closed architecture like the Public Switch Telephone Network (PSTN). In this paper we propose a two layer architecture to prevent Denial of Service attacks on VoIP systems based on the Session Initiation Protocol (SIP). The architecture is designed to handle different types of attacks, including request flooding, malformed message sending, and attacks on the underlying DNS system. The effectiveness of the prevention mechanisms have been tested both in the laboratory and on a real live VoIP provider network

Place, publisher, year, edition, pages
Elsevier, 2008. Vol. 31, no 10, p. 2443-2456
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-25138DOI: 10.1016/j.comcom.2008.03.016OAI: oai:DiVA.org:kau-25138DiVA, id: diva2:598913
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2018-01-11Bibliographically approved

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Publisher's full texthttp://www.cs.kau.se/gezhang/2-layer.pdf

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Zhang, Ge

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