During this tutorial you’ll learn how to use Wireshark sniffer to capture network traffic and then analyse it.
This is beginners course so I’ll covernetwork related terms like TCP and network infrastructure basics.
You will learn how to install and run Wireshark on Windows, Mac OSX and Linux – console only systems.
I’ll teach you how to capture network traffic, use capture filters and what is the promiscuous mode. I will also show you how to capture network traffic on remote unix system using command line tool: tshark.
Then, you’ll learn captured packets analysis. I will teach you how to use and customize the main Wireshark window, what are dissectors and how are they related to display filters.
You will learn some advanced techniques like extracting files from captured network streams and separating one specific connection from the pcap file.
During the course I will provide you with a lot of external resources where you can learn more about Wireshark and network security in general.
At the very end, as a bonus session, I will show you practical example of capturing a password sent over HTTP connection.