Linux Hint published an in-depth tutorial on WireShark.

WireShark in-depth Tutorial

Wireshark is a powerful open-source and free network traffic inspection tool that serves as a de-facto go-to tool for several network problems. In this article, we will thoroughly learn about WireShark, from its type of filters offered for packet analysis, beginner to medium topics, network layer model, and many more.

WireShark in-depth Tutorial – Linux Hint