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Communication Dans Un Congrès Année : 2010

Analysis of token and ticket based mechanisms for current voIP security issues and enhancement proposal

Résumé

These last few years, the security of VoIP architectures has become a sensitive issue with many vulnerability announcements. This article first aims to distinguish the threats and the applicable protection mechanisms depending on the underlying VoIP architecture. We then investigate the properties of a specific class of existing call establishment mechanisms based on tokens or tickets. In the last section, an enhancement to these mechanisms is proposed which lifts some of the previously seen limitations, especially the DoS risks, the token storage constraint or the transport impact of large tickets.
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Dates et versions

hal-00565730 , version 1 (14-02-2011)

Identifiants

  • HAL Id : hal-00565730 , version 1

Citer

Patrick Battistello, Cyril Delétré. Analysis of token and ticket based mechanisms for current voIP security issues and enhancement proposal. CMC 2010 : 11th IFIP TC 6/TC 11 International Conference on Communications and Multimedia Security, May 2010, Linz, Austria. pp.154 - 165. ⟨hal-00565730⟩
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