Detection System of HTTP DDoS Attacks in a Cloud Environment Based on Information Theoretic Entropy and Random Forest

Algorithm 1

Estimate entropy of the connection definition features.

1  avgEntropy  

  Input: Network traffic data , Features set

  Output:

2  

3  

4  while do

5    foreach in do

6       //Estimate the probability mass function

7       //Compute the Shannon entropy

8       //Normalize the entropy

9     

10    end

11      //Return average entropy of the CD features

12 end