Python for Network Engineers

Explaining how TLS/SSL and certificates work

By George El. • February 2019 • Reading time: 9 minutes

In this post I will explain the basics of TLS, because there is a lot of misinformation on the internet and youtube especially. Then I will analyze a TLS connection with wireshark Transport Layer Security is the successor of SSL and provides confidentiality, data integrity, and (mutual) authentication. TLS runs on top of TCP, and sits between the transport layer and the application layer.