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Network Analysis Using Wireshark Cookbook (Anglais) Broché – 24 décembre 2013


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Descriptions du produit

Présentation de l'éditeur

This book will be a massive ally in troubleshooting your network using Wireshark, the world's most popular analyzer. Over 100 practical recipes provide a focus on real-life situations, helping you resolve your own individual issues.

Overview

  • Place Wireshark in your network and configure it for effective network analysis
  • Configure capture and display filters to get the required data
  • Use Wireshark’s powerful statistical tools to analyze your network and its expert system to pinpoint network problems

In Detail

Is your network slow? Are your users complaining? Disconnections? IP Telephony problems? Video freezes? Network analysis is the process of isolating these problems and fixing them, and Wireshark has long been the most popular network analyzer for achieving this goal. Based on hundreds of solved cases, Network Analysis using Wireshark Cookbook provides you with practical recipes for effective Wireshark network analysis to analyze and troubleshoot your network.

"Network analysis using Wireshark Cookbook" highlights the operations of Wireshark as a network analyzer tool. This book provides you with a set of practical recipes to help you solve any problems in your network using a step-by-step approach.

"Network analysis using Wireshark Cookbook" starts by discussing the capabilities of Wireshark, such as the statistical tools and the expert system, capture and display filters, and how to use them. The book then guides you through the details of the main networking protocols, that is, Ethernet, LAN switching, and TCP/IP, and then discusses the details of application protocols and their behavior over the network. Among the application protocols that are discussed in the book are standard Internet protocols like HTTP, mail protocols, FTP, and DNS, along with the behavior of databases, terminal server clients, Citrix, and other applications that are common in the IT environment.

In a bottom-up troubleshooting approach, the book goes up through the layers of the OSI reference model explaining how to resolve networking problems. The book starts from Ethernet and LAN switching, through IP, and then on to TCP/UDP with a focus on TCP performance problems. It also focuses on WLAN security. Then, we go through application behavior issues including HTTP, mail, DNS, and other common protocols. The book finishes with a look at network forensics and how to search and find security problems that might harm the network.

What you will learn from this book

  • Configure Wireshark for effective network troubleshooting
  • Set up various display and capture filters
  • Use basic statistical tools that provide you with "who is talking" tables, conversations, and HTTP statistics
  • Master both the standard and advanced features of IO graphs
  • Use the expert system to pinpoint various types of events that might influence the behavior of your network
  • Learn about Wi-Fi testing and how to resolve problems related to wireless LANs
  • Explore performance issues in TCP/IP
  • Explore failures due to delays and jitters in the network
  • Find and resolve problems due to bandwidth, throughput, and packet loss
  • Identify and locate faults in communication applications including HTTP, FTP, mail, and various other applications – Microsoft OS problems, databases, voice, and video over IP
  • Identify and locate faults in detecting security failures and security breaches in the network

Biographie de l'auteur

Yoram Orzach

Yoram Orzach gained his Bachelor's degree in Science from the Technion in Haifa, Israel, and worked in Bezeq as a systems engineer in the fields of transmission and access networks from 1991 to 1995. In 1995, he joined Netplus from the Leadcom group as technical manager, and since 1999 he has worked as the CTO of NDI Communications (www.ndi-com.com), involved in the design, implementation, and troubleshooting of data communication networks worldwide. Yoram's experience is both with corporate networks, service providers, and Internet service provider's networks, and among his customers are companies such as Comverse, Motorola, Intel, Ceragon networks, Marvel, HP, and others. Yoram's experience is in design, implementation, and troubleshooting, along with training for R&D, engineering, and IT groups.




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Amazon.com: 6 commentaires
5 internautes sur 5 ont trouvé ce commentaire utile 
A great reference for everybody with tons of practical examples 21 mars 2014
Par william - Publié sur Amazon.com
Format: Broché
This is definitely a great book to dive in the Wireshark world. It is a good reference for who uses Wireshark for the first time and at the same time it is a good cookbook book for network administrators who often uses the packet analyzer.

The book starts of with a general introduction to the traffic analysis and Wireshark in general. The next two section introduce the reader to BPF and display filter, and offer a wide set of practical examples. Then the book dives in the analysis tools in Wireshark and describes what they do and how they work. Once the reader had built up enough knowledge on the different tools, the book goes trough the different stack layers illustrating how to put together filters and tools to solve common network issues on the different layers.

One of nice things about this book is that it's self contained, you can read this book without having to look around for other network reference (e.g. protocol headers, SSL handshake, HTTP status code). It's nice to have everything in the same place, especially when you are dealing with the tons of standards and acronyms of the networking world.

I enjoyed reading this book and I highly recommended it both to people that are approaching Wireshark for the first time and for people that work with networks and are looking for a great and practical cookbook.
3 internautes sur 3 ont trouvé ce commentaire utile 
Excellent Technical Cookbook 10 mars 2014
Par Valerio1980 - Publié sur Amazon.com
Format: Broché
This is one of the several books dealing Wireshark that I have read, but for sure one of the most fluent. It is divided into 14 chapters for macro areas which permit the reader to have not only the basic information about the software but also a deep knowledge of how the described protocols work. This because in order to better “manage” Wireshark it is not enough to let the capture start. Is it important to be able to understand what the pcap is telling you. Most of the IT guys know how to launch the capture, but just a few of them find the issue in it. Every single chapter of this book provides the proper keys that let the technician better use the sniffer, from the correct installation into the flow to the deep analysis of the problems. There are, in my opinion, very interesting arguments such as “http/dns”, “enterprise applications behaviour” and “advanced statistic tools”. In my daily troubleshootings I always use this SW, but I have noticed that since I have read this kind of books I am able to faster find the problems with the resulting Customer happiness. Another thing which hitted me of this “Cookbook” is that most of images (SW print screens) are well explained, in this way the technician is immediately able to understand what the author is trying to demonstrate. Is very nice the idea to indicate for every chapter an “how to do it” and an “how in works” area, since what the reader really wants is to apply in the reality what is written in the pages. I have really appreciated that several times the author come up with his experiences, describing in detail what is really happened in his own life. In fact what I keep saying is that just reading a book is not enough to become a great analyst, but if you add practice and experience on the field you will probably be at least more complete.

Comasini Antonio Valerio (WCNA)
2 internautes sur 2 ont trouvé ce commentaire utile 
can avoid low level details of IP packet formats 23 février 2014
Par W Boudville - Publié sur Amazon.com
Format: Broché
Orzach offers you a nice detailed book of recipes dealing with many practical network issues. Where the network can be wired or wireless. For the latter, the book deals with WiFi networks which in practice for many of us are the most common form of Internet wireless networks anyway.

Wireshark handles much of the tedious low level stuff. Like mapping from a hostname to the underlying IP address and capturing packets that have this address in their source or destination fields. The chapter on Layer 2 filters is as low level as you can get. Note importantly that Wireshark can analyse traffic on both IPv4 and v6 networks. IPv6 is finally starting to become common and Wireshark is already there, with extensive functionality.

The book and Wireshark together free you from having to know the detailed formatting of a v4 or v6 packet. The book goes straight into the recipes without bogging you down in many diagrams of the packet formats. The latter is more typical of earlier texts on IP and TCP where there was no software like Wireshark. Back then, such knowledge of formatting was needed by the reader because it was up to you to essentially write a rudimentary version of Wireshark.

The book walks up the protocol stack, starting with Layer 2. For example, a later chapter has recipes on http and DNS. So just like the early chapter on Layer 2, you can focus on the issues of analysis and problem solving without having to know low level details.
Goob book, but the next edition will likely be much better. 31 mars 2015
Par Amazon Customer - Publié sur Amazon.com
Format: Broché Achat vérifié
I’ll start by saying that I’m not a normal purchaser of this book. I plan to take the Wireshark Certification Exam. I’ve already read Laura Chappell’s study guide and I had even wrote a course and taught many classes on the venerable Network General Sniffer back in the early 90’s. (I really miss triggered captures!)

I’m the kind of studier that uses multiple references so I can get explanations from different points of view. Therefore, I read every book cover-to-cover. It can be painful sometimes reading through information you already know, but I find it’s worth it for those few nuggets of gold that you come across.

I’m always impressed with anyone that can communicate in more than one language, something I can’t do. But the fact that English is not the author’s native language is extremely obvious from the first page. In fact, I believe that some of the book was written first in one language and then translated to English latter. It’s distracting, but not to the point of making the book unusable. Although, I highly recommend that the second addition be edited for syntax/grammar.

I probably would not recommend this edition of the book if it is the only Wireshark reference you buy. But if you have lots of hands on or have read other references, the odd language won’t be too big of a hurdle.

This book covers all the expected topics. And covers them as well as can be expected for a sub 500 page book. The author is obviously very knowledgeable and well versed in the use of Wireshark. I did pick up additional tricks and reinforced my existing Wireshark knowledge. I only found one explanation that was absolutely 100% wrong. And only a few places where an explanation inadequate. Of course there are numerous type-o’s, the sort that is far too common in technical books these days.

The primary thing that was missing from this book was sample capture files that could be opened and played with along with the text. None of the examples in the book were available for download. I would have at least used the sample capture files from wireshark.org whenever possible.

And while I'm complaining, I personally do not like the "Cookbook" metaphor. For me, it hindered the flow of the information at times and caused needless repeated sentences. Finally, color was used in several of the example screenshots and diagrams. I know from experience, you have to choose the colors carefully so that they remain distinguishable when printed in grayscale (halftone). And then you shouldn't refer to items by their color, but rather by their relative darkness.
2 internautes sur 3 ont trouvé ce commentaire utile 
Excellent technical book 13 mars 2014
Par stefano antoni - Publié sur Amazon.com
Format: Broché
This book, in my opinion, is meant for those who wish to enrich their knowledge on wireshark regardless of their current level.
The structure of the recipes and the chapters, the widespread use of print screens, the references to web pages which enrich the knowledge of a specific subject, help both the reader without knowledge on wireshark, but also those who have a good knowledge of the instrument .
I found it very useful the references to specific cases of actual problems cause they gave me the chance to see not only the use of Wireshark and its instruments, but I also showed me an analytical approach to troubleshooting and very useful in this context the presence of links to sites where you can download analysis programs.

After reading this book I most certainly ideas clear on how to carry out the analysis of the problems that I face often at work
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