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논문검색

A VoIP Traffic Monitoring System based on NetFlow v9

초록

영어

With the development of VoIP (Voice over IP) service, new security threats are expected to be appeared. However, existing IP network security solutions can not detect new VoIP specified network threats because they can not reflect characteristics of VoIP. In this paper, we propose a novel system that can monitor VoIP service and detect VoIP network threats practically. The proposed system collects attributes of VoIP traffic based on NetFlow, and executes monitoring and detecting based on statistic and behavior.

목차

Abstract
 1. Introduction
 2. Related Work
  2.1. NetFlow
  2.2. nProbe
  2.3. Previous Proposals
 3. Threat Model
 4. Proposed System
  4.1. Overall System Components
  4.2. VoIP Traffic Observation Point
  4.3. VoIP Traffic Monitoring and Detecting System
 5. Detecting VoIP Network Attacks
 6. Conclusion
 References

저자정보

  • Chang-Yong Lee Korea Information Security Agency
  • Hwan-Kuk Kim Korea Information Security Agency
  • Kyoung-Hee Ko Korea Information Security Agency
  • Jeong-Wook Kim Korea Information Security Agency
  • Hyun-Cheol Jeong Korea Information Security Agency

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