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  • Book Overview & Buying Wireshark Essentials
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Wireshark Essentials

Wireshark Essentials

By : James H. Baxter
3.8 (5)
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Wireshark Essentials

Wireshark Essentials

3.8 (5)
By: James H. Baxter
Buy this Book

Overview of this book

This book is aimed at IT professionals who want to develop or enhance their packet analysis skills. Basic familiarity with common network and application services terms and technologies is assumed; however, expertise in advanced networking topics or protocols is not required. Readers in any IT field can develop the analysis skills specifically needed to complement and support their respective areas of responsibility and interest.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Acquainted with Wireshark
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1. Getting Acquainted with Wireshark
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Installing Wireshark
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Performing your first packet capture
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Summary
2
2. Networking for Packet Analysts
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2. Networking for Packet Analysts
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The OSI model – why it matters
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IP networks and subnets
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Switching and routing packets
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WAN links
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Wireless networking
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Summary
3
3. Capturing All the Right Packets
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3. Capturing All the Right Packets
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Picking the best capture point
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Test Access Ports and switch port mirroring
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Capturing interfaces, filters, and options
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Verifying a good capture
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Saving the bulk capture file
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Isolating conversations of interest
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Using the Conversations window
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Wireshark display filters
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Filter Expression Buttons
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Following TCP/UDP/SSL streams
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Marking and ignoring packets
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Saving the filtered traffic
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Summary
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4. Configuring Wireshark
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4. Configuring Wireshark
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Working with packet timestamps
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Colorization and coloring rules
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Wireshark preferences
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Wireshark profiles
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Summary
5
5. Network Protocols
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5. Network Protocols
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The OSI and DARPA reference models
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Transport layer protocols
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Application layer protocols
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Summary
6
6. Troubleshooting and Performance Analysis
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6. Troubleshooting and Performance Analysis
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Troubleshooting methodology
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Troubleshooting connectivity issues
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Troubleshooting functional issues
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Performance analysis methodology
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Summary
7
7. Packet Analysis for Security Tasks
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7. Packet Analysis for Security Tasks
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Security analysis methodology
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Security assessment tools
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Identifying unacceptable or suspicious traffic
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Scans and sweeps
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OS fingerprinting
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Malformed packets
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Phone home traffic
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Password-cracking traffic
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Unusual traffic
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Summary
8
8. Command-line and Other Utilities
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8. Command-line and Other Utilities
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Wireshark command-line utilities
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Capturing traffic with Dumpcap
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Capturing traffic with Tshark
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Editing trace files with Editcap
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Merging trace files with Mergecap
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Other helpful tools
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Summary
9
Index
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Index

Other helpful tools

Wireshark is an extremely versatile and useful tool. However, there are some things it doesn't do easily or at all, so we'll discuss a few other tools you may want to include in your analysis toolset.

HttpWatch

HttpWatch is a packet-based performance analysis utility that integrates with Internet Explorer and Firefox browsers to view a graphical depiction and statistical values from HTTP interactions between the browser and websites. This kind of utility makes it easy to discover and measure from the user's perspective when significant delays are occurring and the source of those delays.

The following screenshot shows the HttpWatch visual and numerical analysis by loading the www.wireshark.org home page:

You can get more information about HttpWatch from http://www.httpwatch.com/. Also, a similar performance analysis utility is Fiddler, which can be found at http://www.telerik.com/fiddler.

SteelCentral Packet Analyzer Personal Edition

SteelCentral Packet Analyzer (previously...

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Wireshark Essentials
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