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We present VeTo a language to specify protection rules for VoIP systems, supported by the SecSip prevention framework. VeTo offers a unique way to specify both vulnerabilities and countermeasures to protect SIP services against known vulnerabilities. We illustrate the applicability of the language through the specification of several known attacks and assess its efficiency through a target testbed.
The efficiency and the performance of management systems is becoming a hot research topic within the networks and services management community. This concern is due to the new challenges of large scale managed systems, where the management plane is integrated within the functional plane and where management activities have to carry accurate and up-to-date information. We defined a set of primary and...
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...
It is essential that a monitoring system is being designed with performance and scalability in mind. But due to the diversity and complexity of both the monitoring and the monitored systems, it is currently difficult to reason on both performance and scalability using ad hoc techniques. Thus, both simulation is required and analytical models based on well established techniques such as queueing theory...
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