On 19th November 2020, a peer teaching session was conducted through Google Meet for 45 students of II B.Sc CS(SSS). Mr. K.Thirupathi Rajan – 19231 of II B.Sc CS(SSS) shared his knowledge on “Packet Filtering Firewall”. He compared Packet Filtering Firewall with other types of firewall in a simple and easy manner. The session was interactive and concluded with a discussion.