Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learn Wireshark

You're reading from   Learn Wireshark A definitive guide to expertly analyzing protocols and troubleshooting networks using Wireshark

Arrow left icon
Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803231679
Length 606 pages
Edition 2nd Edition
Languages
Concepts
Arrow right icon
Author (1):
Arrow left icon
Lisa Bock Lisa Bock
Author Profile Icon Lisa Bock
Lisa Bock
Arrow right icon
View More author details
Toc

Table of Contents (28) Chapters Close

Preface 1. Part 1 Traffic Capture Overview
2. Chapter 1: Appreciating Traffic Analysis FREE CHAPTER 3. Chapter 2: Using Wireshark 4. Chapter 3: Installing Wireshark 5. Chapter 4: Exploring the Wireshark Interface 6. Part 2 Getting Started with Wireshark
7. Chapter 5: Tapping into the Data Stream 8. Chapter 6: Personalizing the Interface 9. Chapter 7: Using Display and Capture Filters 10. Chapter 8: Outlining the OSI Model 11. Part 3 The Internet Suite TCP/IP
12. Chapter 9: Decoding TCP and UDP 13. Chapter 10: Managing TCP Connections 14. Chapter 11: Analyzing IPv4 and IPv6 15. Chapter 12: Discovering ICMP 16. Part 4 Deep Packet Analysis of Common Protocols
17. Chapter 13: Diving into DNS 18. Chapter 14: Examining DHCP 19. Chapter 15: Decoding HTTP 20. Chapter 16: Understanding ARP 21. Part 5 Working with Packet Captures
22. Chapter 17: Determining Network Latency Issues 23. Chapter 18: Subsetting, Saving, and Exporting Captures 24. Chapter 19: Discovering I/O and Stream Graphs 25. Chapter 20: Using CloudShark for Packet Analysis 26. Assessments 27. Other Books You May Enjoy

Summary

DHCP is an essential protocol that's used on nearly all LANs. When it's configured properly, DHCP is a seamless way to assign IP addresses, with little or no intervention. In this chapter, we covered the purpose of DHCP and learned about its impressive role in supplying a host with an IP address, along with configuration details. We discovered the role of a relay agent, outlined the various ways IPv6 obtains an IP address, and briefly discussed security issues when working with DHCP.

Then, we looked at the DORA process – discover, offer, request, and acknowledgment – and examined the mechanics of the DHCP lease time. You should now have a better understanding of the DHCP header field values, along with the types of messages. In addition, you should be able to recognize the various DHCP options. We summarized this by bringing everything together and stepping through a DHCP example. We moved from the initial broadcast on the network, to the offer and...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image