- Paperback: 800 pages
- Publisher: Laura Chappell University (March 15, 2010)
- Language: English
- ISBN-10: 1893939995
- ISBN-13: 978-1893939998
- Product Dimensions: 7.4 x 1.6 x 9.7 inches
- Shipping Weight: 1.6 pounds (View shipping rates and policies)
- Average Customer Review: 72 customer reviews
- Amazon Best Sellers Rank: #785,947 in Books (See Top 100 in Books)
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Wireshark Network Analysis: The Official Wireshark Certified Network Analyst Study Guide
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From the Author
After writing this book, we went to work on the Wireshark Certified Network Analyst program (which launched August 11, 2010) shortly followed by the Exam Prep Guide (also available on Amazon). Thanks to all the contributors and advisers on this Study Guide, the certification Exam and the Exam Prep Guide!
From the Back Cover
Network Analysis is the process of listening to and analyzing network traffic. Network analysis offers an insight into network communications to identify performance problems, locate security breaches, analyze application behavior, and perform capacity planning.
Wireshark(r), formerly Ethereal, is the world's most popular network analyzer and offers an open source solution for IT professionals.
TIPS: Learn insider tips to spot performance issues fast - no more finger pointing!
CASE STUDIES: From "Death by Database" to "Troubleshooting Time Syncing," 45 case studies offer insight into real world performance and security situations solved with Wireshark.
CERTIFICATION PREP: Each chapter includes exam objectives, review questions and answers to prepare you for the Wireshark Certified Network Analyst(tm) Exam.
[image1] Learn how to create graphs that expose the cause of poor performance such as packet loss, high latency, low packet sizes, slow clients, overloaded receivers and more!
[image2] Use coloring rules and the Expert Info Composite to highlight suspect traffic and avoid the "needle in a haystack" feeling when analyzing traffic.
[image3] Learn insider tips and techniques to troubleshoot and secure a network more efficiently and accurately.
About the Author:
Laura Chappell is the founder of Wireshark University(tm) and Chappell University(tm). Ms. Chappell is also the author of the Wireshark University instructor-led training courses and the Wireshark Certified Network Analyst(tm) Exam. As a highly successful and sought after network analyst and speaker, her goal is to make network analysis an understood "first responder" tool to save time, money and aggravation. Ms. Chappell offers hundreds of online and onsite courses every year through Chappell University. For more information, email firstname.lastname@example.org.
File in Computing Section with Networking/Security/Certification.
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One gripe is that there is too much emphasis on protocols that this author is likely personally familiar with, as opposed to ones she is not. Wireshark enjoys heavy usage within the telecom industry, for example, and this author clearly doesn't have that background or even mention a lot of the tools Wireshark has for Telecom-related use-cases.
With that said, Wireshark is free. The competition is VERY expensive. What you get here is a way to appreciate the full benefits of such a powerful, but free piece of software. For the price of this book, you get the most out of Wireshark, and that's still amazingly inexpensive, should you consider the price of OmniPeek, NAI (Sniffer Pro), or even the super-incredibly, ridiculously, ludicrously, bloated-ly, and absurdly high priced OPNET Ace Analyst!
So, after having gone through this book, to some, it may seem fairly basic. I disagree to an extent. It's basic if you "believe" you are an expert, and if you've resolved a lot of common issues with sniffers. However, buried in this text are a few key gems that can easily be overlooked, but could save you time and sweat, trying to troubleshoot a nasty network issue, only to find out 3 hours later, it wasn't a network issue at all. Laura's tips and tricks are quite valuable. Pick them out and put them to use. You'll see!
Also, if you are looking to be certified, this is a VERY good start, and the money you can make troubleshooting tricky networked issues will pay for it. Or you will have a nice feather-in-your-cap resume' knowing you can dissect issues quickly and within minutes.
As far as readability, it's easy to follow. I don't believe I came across any real text (other than a minor typo or two) that mislead me, or confused me. It's well written, and if you keep to the outline, you will see just how it fits a good learning ethic.
First, let me say, I have not finished the book yet, so I'll update this later if anything changes...In fact I am writing this review as a warning to anyone thinking of buying this book. Unless you are an absolute beginner, I promise , you will be thoroughly disappointed , especially considering the price tag!!!
1) The chapters that describe networking are downright careless with the use of the term "packet". As any network engineer worth their weight in salt knows, frame->packet->segment (i.e layer 2 MAC fram, Layer 3 source & dest IP packet, and Layer 4 source & dest Port). This author carelessly jumbles all this up in various places generically calling it a packet. okay, you say, well this is not a intro networking book and the author discloses that and provides good references....well in my opinion, this author should either remove the first few chapters or rewrite them correctly.
2) All of the case studies I have read so far(btw: I heard they were "really good", and are the primary reason I bought the book) are poorly explained...The author explains the symptom, then says they used wireshark to fix the problem. Huh? Well that's just great, what the heck did you do, I want screenshots, and step-by-step details. Otherwise it's just some worthless story.
3)chapters 2-4+ repeatedly reference free online material...like user guide stuff. These chapters talk about stuff like menus and user interface stuff... why is it even in the book if it's free online....Some might think it is necessary, but to me it is just filler.
Currently, I'm on chapter 14...
Sorry, at this point I cannot recommend any good alternatives...I'll keep looking.
Honestly, I've learned more about wireshark looking at free online videos and reading the online documentation.
That's it for now, I'll be back
Wireshark is great program and tries to keep current with emerging technologies. The book doesn't, NEEDS UPDATING. It would be nice to have download addendum for registered book owners. "This is not on the test, but it is a gotcha." Checked web site, didn't find update.
I rated the book on the content and this is an observation. This would be helpful for newbies, it is hard to read a chapter on colors if the material is black and white.