Wireshark is an open-source network protocol analyzer. It is the world's leading packet analyzer when it comes to analysis, troubleshooting, development, and other security-related tasks. Wireshark 3 comes with interesting features designed to make things easier and smoother for developers, sysadmins, and security analysts. This practical and hands-on course will be your perfect guide and will help you gain real-world practical knowledge about network analysis with Wireshark 3. You will begin with a quick introduction to Wireshark, network protocols, and OSI layers. Then learn to understand how Wireshark works and its important functionalities. You will master dedicated Wireshark tools such as capture tools, tracing tools, traffic generators, and more. Then become familiar with the new features that Wireshark 3 has to offer, how they differ from previous ones, and how they can benefit you as a user. In a step-by-step manner you'll learn how to analyze your network, through clear examples and hands-on activities. Specifically, you will learn how to analyze data, identify glitches, capture web traffic, and will cover topics such as packet analysis, IP filtering, and protocol filters. You will also learn how to secure your network with Wireshark 3 and how to use its command-line tools effectively. Finally, cover techniques that will help you troubleshoot your communications network. By the end of the course, you will feel confident about using Wireshark 3 for your day-to-day network analysis tasks. All related code files are placed on a GitHub repository at: https://github.com/PacktPublishing/Network-Analysis-Using-Wireshark-3