Book Image

Learn Wireshark, - Second Edition

By : Lisa Bock
5 (1)
Book Image

Learn Wireshark, - Second Edition

5 (1)
By: Lisa Bock

Overview of this book

Wireshark is a popular and powerful packet analysis tool that helps network administrators investigate latency issues and potential attacks. Over the years, there have been many enhancements to Wireshark’s functionality. This book will guide you through essential features so you can capture, display, and filter data with ease. In addition to this, you’ll gain valuable tips on lesser-known configuration options, which will allow you to complete your analysis in an environment customized to suit your needs. This updated second edition of Learn Wireshark starts by outlining the benefits of traffic analysis. You’ll discover the process of installing Wireshark and become more familiar with the interface. Next, you’ll focus on the Internet Suite and then explore deep packet analysis of common protocols such as DNS, DHCP, HTTP, and ARP. The book also guides you through working with the expert system to detect network latency issues, create I/O and stream graphs, subset traffic, and save and export captures. Finally, you’ll understand how to share captures using CloudShark, a browser-based solution for analyzing packet captures. By the end of this Wireshark book, you’ll have the skills and hands-on experience you need to conduct deep packet analysis of common protocols and network troubleshooting as well as identify security issues.
Table of Contents (28 chapters)
1
Part 1 Traffic Capture Overview
6
Part 2 Getting Started with Wireshark
11
Part 3 The Internet Suite TCP/IP
16
Part 4 Deep Packet Analysis of Common Protocols
21
Part 5 Working with Packet Captures

Summary

In this chapter, we covered how you can easily download and install Wireshark on a variety of different OSes. By now, you have a better understanding of the different capture engines and how they provide a way to gather the traffic from the network. In addition, you can now appreciate Npcap, the newest capture engine. We learned how Npcap provides enhanced features, such as the ability to capture raw 802.11 packets when using a supported wireless adapter.

When you're ready to install Wireshark on a Windows machine, you'll be more confident as you step through all the prompts, from launching the installer to completing the installation. As with most software installations, the user is given some choices. So that you are more aware of the many choices when downloading Wireshark, we reviewed the various options for the file you want, along with what type of release. And finally, you now understand that if you do run into trouble, there is help available...