Retraction notice to “Flow online identification method for the encrypted Skype” [YJNCA (2019) 75–85] (Journal of Network and Computer Applications (2019) 132 (75–85), (S1084804519300074), (10.1016/j.jnca.2019.01.007))

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of at the request of the Editor-in-Chief and stated co-author Raj Jain. The corresponding author, Shi Dong, has submitted this article without the consent and knowledge of the stated co-author, using a fake email address. Using someone else's name as an author represents a clear violation of the fundamentals of peer review, our publishing policies, and publishing ethics standards. Apologies are offered to readers of the article.