About the book: It's easy enough to install Wireshark and begin capturing packets off the wire -- or from the air. But how do you interpret those packets once you've captured them? And how can those packets help you to better understand what's going on under the hood of your network? Practical Packet Analysis shows how to use Wireshark to capture and then analyze packets as you take an indepth look at real-world packet analysis and network troubleshooting. The way the pros do it.
Read the rest of Chapter 6 in this PDF: Common Protocols
Excerpted from Practical Packet Analysis by Chris Sanders (ISBN: 978-1-59327-149-7).
Copyright © 2007, No Starch Press. All rights reserved.
This was first published in May 2007