Telecommunications Science ›› 2015, Vol. 31 ›› Issue (12): 83-89.doi: 10.11959/j.issn.1000-0801.2015355

• research and developmen • Previous Articles     Next Articles

Key Technology of SSL Encrypted Application Identification Under Imbalance of Application Class

Xuejiao Chen1,Pan Wang2,Shidong3 Liu3   

  1. 1 Nanjing College of Information Technology, Nanjing 210023, China
    2 Nanjing University of Posts and Telecommunications, Nanjing 210003
    3 State Grid Smart Grid Research Institute, Nanjing 210003, China
  • Online:2015-12-20 Published:2017-03-27
  • Supported by:
    2013 Six Talent Peaks Project in Jiangsu Province;2013 Information Security Special Funds of the National Developmen and Reform Commission;State Grid 2014 Science and Technology Project “ Research and Application of Network Traffic Prediction and Smart Pipe Key Technologies for Electric Power Information Communication Network”;2015 Industrialization, Education and Research Joint Prospective Project

Abstract:

Through a in-depth study about the reason of network class imbalance, a method called SMOTE was chosen over the data set sampling preprocess, making full use of the advantages which is high accuracy of traffic model feature matching identification and sorting out the encrypted SSL flow, and then using the clustering method and the SVM based on mutual information classification method to further identify SSL encryption specific application, like HTTPS/POPS etc. The hybrid method effectively combines the advantages of static feature matching and machine learning methods,to achieve the balance of classification method on accuracy and speed.

Key words: traffic identification, traffic analysis, behavior characterization, behavior modeling, behavior pattern

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