Learn Wireshark

Key Features
Gain a deeper understanding of common protocols so you can easily troubleshoot network issues
Explore ways to examine captures to recognize unusual traffic and possible network attacks
Learn advanced techniques, create display and capture filters, and generate IO and stream graphs
Book Description
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.
What you will learn
Master network analysis and troubleshoot anomalies with Wireshark
Discover the importance of baselining network traffic
Correlate the OSI model with frame formation in Wireshark
Narrow in on specific traffic by using display and capture filters
Conduct deep packet analysis of common protocols: IP, TCP, and ARP
Understand the role and purpose of
ICMP, DNS, HTTP, and DHCP
Create a custom configuration profile and personalize the interface
Create I/O and stream graphs to better visualize traffic
Who this book is for
If you are a network administrator, security analyst, student, or teacher and want to learn about effective packet analysis using Wireshark, then this book is for you. In order to get the most from this book, you should have basic knowledge of network fundamentals, devices, and protocols along with an understanding of different topologies.
Table of Contents
Appreciating Traffic Analysis
Using Wireshark
Installing Wireshark
Exploring the Wireshark Interface
Tapping into the Data Stream
Personalizing the Interface
Using Display and Capture Filters
Outlining the OSI Model
Decoding TCP and UDP
Managing TCP Connections
Analyzing IPv4 and IPv6
Discovering ICMP
Diving into DNS
Examining DHCP
Decoding HTTP
Understanding ARP
Determining Network Latency Issues
Subsetting, Saving, and Exporting Captures
Discovering I/O and Stream Graphs
Using CloudShark for Packet Analysis


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