A Preliminary Investigation of Skype Traffic Classification Using a Minimalist Feature Set

  • Authors:
  • Duffy Angevine;Nur Zincir-Heywood

  • Affiliations:
  • -;-

  • Venue:
  • ARES '08 Proceedings of the 2008 Third International Conference on Availability, Reliability and Security
  • Year:
  • 2008

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Abstract

In this work, AdaBoost and C4.5, are employed for classifying Skype direct (UDP and TCP) communications from traffic log files. Pre-processing is applied to the traffic data to express it as flows, which is later converted into a descriptive feature set. The aforementioned algorithms are then evaluated on this feature set. Results show that a 98% detection rate with6% false positive rate for UDP based Skype and a 94% detection rate with 4% false positive rate for TCP based Skype is possible to achieve.