Book Image

Wireshark 2 Quick Start Guide

By : Charit Mishra
Book Image

Wireshark 2 Quick Start Guide

By: Charit Mishra

Overview of this book

<p>Wireshark is an open source protocol analyser, commonly used among the network and security professionals. Currently being developed and maintained by volunteer contributions of networking experts from all over the globe. Wireshark is mainly used to analyze network traffic, analyse network issues, analyse protocol behaviour, etc. - it lets you see what's going on in your network at a granular level. This book takes you from the basics of the Wireshark environment to detecting and resolving network anomalies.</p> <p>This book will start from the basics of setting up your Wireshark environment and will walk you through the fundamentals of networking and packet analysis. As you make your way through the chapters, you will discover different ways to analyse network traffic through creation and usage of filters and statistical features. You will look at network security packet analysis, command-line utilities, and other advanced tools that will come in handy when working with day-to-day network operations.</p> <p>By the end of this book, you have enough skill with Wireshark 2 to overcome real-world network challenges.</p>
Table of Contents (14 chapters)
Title Page
Packt Upsell
Contributors
Preface
8
Mastering the Advanced Features of Wireshark
Index

An introduction to packet analysis with Wireshark


Packet/traffic analysis deals with the study of network traffic, where the objective is to understand the structure, movement, and behavior of packets. Packet analysis is performed over live traffic or done over an already captured stream of traffic.

Numerous issues arise in day-to-day networking infrastructures, and if you are responsible for handling the network or security of your digital environment, you need to equip yourself with troubleshooting and analytical tools. Most of the issues escalate and are rectified at the packet level in networking. Issues arising at the packet level can gradually end up disrupting critical business communication, leading to loss of revenue. Even the best networking hardware utilizing the most advanced and secure set of protocols and services can go against you or behave abnormally. To perform a root cause analysis in such situations, you might need to dig down to the packet level in order to understand...