Computer Science – Cryptography and Security
Scientific paper
2009-07-17
11th IFIP/IEEE International Symposium on Integrated Network Management (2009)
Computer Science
Cryptography and Security
Scientific paper
SIP-based networks are becoming the de-facto standard for voice, video and instant messaging services. Being exposed to many threats while playing an major role in the operation of essential services, the need for dedicated security management approaches is rapidly increasing. In this paper we present an original security management approach based on a specific vulnerability aware SIP stateful firewall. Through known attack descriptions, we illustrate the power of the configuration language of the firewall which uses the capability to specify stateful objects that track data from multiple SIP elements within their lifetime. We demonstrate through measurements on a real implementation of the firewall its efficiency and performance.
Festor Olivier
Lahmadi Abdelkader
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