Sanjeetha R, Kushboo A S, Dr. Anita Kanavalli. “Mitigation of DDoS Attackona Primary Server by Varying Idle and Hard Timeout”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, Oct. 2020, pp. 13807 -19, http://sersc.org/journals/index.php/IJAST/article/view/33185.