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

Chapter 3: Installing Wireshark

To start capturing and analyzing packets, you'll first have to download and install Wireshark on your computer or laptop. The good news is that Wireshark can be installed on a variety of different platforms. In this chapter, we'll start by learning how Wireshark provides support for different Operating Systems (OSes). We'll also review the importance of a capture engine, and how it is a critical component when gathering network traffic.

When installing Wireshark on a PC, you'll be presented with a variety of choices. So that you can confidently navigate the installation and make the correct selections, we'll review the different options. Once installed, you can then begin capturing and analyzing traffic. Wireshark is open source with constant enhancements and improvements. You'll discover many online resources where you can see the latest news and updates that can help improve your workflow, along with several download...