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Showing 1-7 of 7 reviews(4 star)show all reviews
12 of 14 people found the following review helpful
on April 14, 2010
A through knowledge of TCP/IP and a packet-level understanding of network traffic is essential for any Network Administrator or Engineer. If you take your time go and work along with the material in this book, you should be able to troubleshoot difficult and hard to diagnose network issues. No matter what the device is, a firewall, load balancer, server or router, it all comes down to packets on the wire. My only issue is that for $99. I would have expected a hardback or at least color, otherwise this would have easily been 5 stars.
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3 of 3 people found the following review helpful
David Pogue should have granted Laura the money for this book and published it cheaper, because they both think alike in some ways. I'm going to bet they've either met before, and am sure they are aware of each other. This book is a bit pricey (drawing back one star), but you have to grasp the expertise involved. Laura has been in the "sniffing" business for quite some time. You will never meet another person so enthusiastic about Network Sniffing and such as Laura.

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.
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3 of 3 people found the following review helpful
on November 7, 2010
The first time I saw Laura Chappell was at the first Sharkfest conference. Her class instruction on protocols and analysis was outstanding, and this book provides the same down-to-earth / enjoyable experience in understanding not just Wireshark as a troubleshooting tool, but also how common protocols function as well as approaching different troubleshooting scenarios to find the source(s) of networking problems. I've been using Wireshark since it was called Ethereal years ago and this book still filled in quite a few knowledge gaps.

There are many networking books on the market, including your usual vendor-specific certification titles. Wireshark Network Analysis provides a practical way to dive into the sometimes-mysterious world of packets, headers, and communication patterns which other books don't cover. Many engineers know which buttons to push for device configuration, but lack a strong understanding of how protocols work. This book starts you on that journey with plenty of foundation material and then some.

I didn't give the book five stars due to the occasional grammar and technical errors that numbered a little too frequently for my taste (which are corrected in the errata), but overall I think it's very close. I got my WCNA certification shortly after going through this book.
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1 of 1 people found the following review helpful
on January 8, 2012
If you deal with any type of IP networking you should know how to use Wireshark. If you have to support a network, sooner or later you will need to do troubleshooting outside of what logs and application error messages can provide. The only way to do that is by capturing traffic and doing analysis.

I found the book very informative and helpful in understanding Wireshark as well as explaining how various network protocols work. This is absolute must have resource for anyone that has to look at packet level detail.

My only critique is that the practice labs dont have an answer guide. So if you are unsure of the right answer, you have nothing to help verify. I've ordered the WCNA practice exam book and I'm hoping that does supply the answers to questions and labs.
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1 of 1 people found the following review helpful
on December 26, 2010
If you have used Wireshark for more than a year this may not be the book for you. I have been using Wireshark since before it was Wireshark; it was Ethereal. However I was able to learn some very interesting things from this book. The book itself is setup very well and I like her style of writing. Despite the fact that it did not rock my socks I am still giving this 4 stars. If you are looking to learn about an awesome tool for anyone having to do with networking this is the book for you.
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1 of 2 people found the following review helpful
on November 6, 2010
As a long time protocol head with protocol analysis certifications such as the old CNX and CWAP plus having owned several protocol anlyzers, sniffers, Agilent WAN Advisors, and a big fan of Laura's work, her older books from the mid 90s were awesome, I like this book.

I just started to go through it and there is a tremendous amount of information all in one resource which is great either as a learning tool or for veterans as a reference guide.

However, I was a little surprised on page 88 to in the Example of SPAN commands to see old Cat OS commands featured. This gave me a little conceren for if the book was using such old and decprecated commands what else is possibly dated. For a 2009 book I had expected maybe monitor commands and RSPAN as well. So this surprised me especially for the price of the book. I hope they correct this with an errata.

However, the rest of the book looks great and I cannot wait to dig into some of the later chapters 31 and 32. I gave the book 4 stars because of the span finding but the book looks like another winner from Laura after the first peruse.
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0 of 2 people found the following review helpful
on August 31, 2011
This book for me it's a second step study in network analysis, in the past I had always use nmap only. I needed to find soem information and learn to aplly wireshark I think to find the perfect book.
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