Practical Packet Analysis
Using Wireshark to Solve Real-World Network Problems
(Sprache: Englisch)
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...
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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.
Wireshark (derived from the Ethereal project), has become the world s most popular network sniffing application. But while Wireshark comes with documentation, there s not a whole lot of information to show you how to use it in real-world scenarios. Practical Packet Analysis shows you how to:
- Use packet analysis to tackle common network problems, such as loss of connectivity, slow networks, malware infections, and more
- Build customized capture and display filters
- Tap into live network communication
- Graph traffic patterns to visualize the data flowing across your network
- Use advances Wireshark features to understand confusing packets
- Build statistics and reports to help you better explain technical network information to non-technical users
Because net-centric computing requires a deep understanding of network communication at the packet level, Practical Packet Analysis is a must have for any network technician, administrator, or engineer troubleshooting network problems of any kind.
ItŽs easy enough to install Wireshark and begin capturing packets off the wire - or from the air. But how do you interpret those packets once youŽve captured them? And how can those packets help you to better understand whatŽs 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.
Wireshark (derived from the Ethereal project), has become the worldŽs most popular network sniffing application. But while Wireshark comes with documentation, thereŽs not a whole lot of information to show you how to use it in real-world scenarios. Practical Packet Analysis shows you how to:
- Use packet analysis to tackle common network problems, such as loss of connectivity, slow networks, malware infections, and more
- Build customized capture and display filters
- Tap into live network communication
- Graph traffic patterns to visualize the data flowing across your network
- Use advances Wireshark features to understand confusing packets
- Build statistics and reports to help you better explain technical network information to non-technical users
Because net-centric computing requires a deep understanding of network communication at the packet level, Practical Packet Analysis is a must have for any network technician, administrator, or engineer troubleshooting network problems of any kind.ication. But while Wireshark comes with documentation, thereŽs not a whole lot of information to show you how to use it in real-world scenarios. Practical Packet Analysis shows you how to:
- Use packet analysis to tackle common network problems, such as loss of connectivity, slow networks, malware infections, and more
- Build customized capture and display filters
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.
Wireshark (derived from the Ethereal project), has become the worldŽs most popular network sniffing application. But while Wireshark comes with documentation, thereŽs not a whole lot of information to show you how to use it in real-world scenarios. Practical Packet Analysis shows you how to:
- Use packet analysis to tackle common network problems, such as loss of connectivity, slow networks, malware infections, and more
- Build customized capture and display filters
- Tap into live network communication
- Graph traffic patterns to visualize the data flowing across your network
- Use advances Wireshark features to understand confusing packets
- Build statistics and reports to help you better explain technical network information to non-technical users
Because net-centric computing requires a deep understanding of network communication at the packet level, Practical Packet Analysis is a must have for any network technician, administrator, or engineer troubleshooting network problems of any kind.ication. But while Wireshark comes with documentation, thereŽs not a whole lot of information to show you how to use it in real-world scenarios. Practical Packet Analysis shows you how to:
- Use packet analysis to tackle common network problems, such as loss of connectivity, slow networks, malware infections, and more
- Build customized capture and display filters
Inhaltsverzeichnis zu „Practical Packet Analysis “
Praise for the First Edition of Practical Packet Analysis; Dedication; Acknowledgments; Introduction; Why This Book?; Concepts and Approach; How to Use This Book; About the Sample Capture Files; The Rural Technology Fund; Contacting Me; Chapter 1: Packet Analysis and Network Basics; 1.1 Packet Analysis and Packet Sniffers; 1.2 How Computers Communicate; 1.3 Traffic Classifications; 1.4 Final Thoughts; Chapter 2: Tapping into the Wire; 2.1 Living Promiscuously; 2.2 Sniffing Around Hubs; 2.3 Sniffing in a Switched Environment; 2.4 Sniffing in a Routed Environment; 2.5 Sniffer Placement in Practice; Chapter 3: Introduction to Wireshark; 3.1 A Brief History of Wireshark; 3.2 The Benefits of Wireshark; 3.3 Installing Wireshark; 3.4 Wireshark Fundamentals; Chapter 4: Working with Captured Packets; 4.1 Working with Capture Files; 4.2 Working with Packets; 4.3 Setting Time Display Formats and References; 4.4 Setting Capture Options; 4.5 Using Filters; Chapter 5: Advanced Wireshark Features; 5.1 Network Endpoints and Conversations; 5.2 Protocol Hierarchy Statistics; 5.3 Name Resolution; 5.4 Protocol Dissection; 5.5 Following TCP Streams; 5.6 Packet Lengths; 5.7 Graphing; 5.8 Expert Information; Chapter 6: Common Lower-Layer Protocols; 6.1 Address Resolution Protocol; 6.2 Internet Protocol; 6.3 Transmission Control Protocol; 6.4 User Datagram Protocol; 6.5 Internet Control Message Protocol; Chapter 7: Common Upper-Layer Protocols; 7.1 Dynamic Host Configuration Protocol; 7.2 Domain Name System; 7.3 Hypertext Transfer Protocol; 7.4 Final Thoughts; Chapter 8: Basic Real-World Scenarios; 8.1 Social Networking at the Packet Level; 8.2 Capturing ESPN.com Traffic; 8.3 Real-World Problems; 8.4 Final Thoughts; Chapter 9: Fighting a Slow Network; 9.1 TCP Error-Recovery Features; 9.2 TCP Flow Control; 9.3 Learning from TCP Error-Control and Flow-Control Packets; 9.4 Locating the Source of High Latency; 9.5 Network Baselining; 9.6 Final
... mehr
Thoughts; Chapter 10: Packet Analysis for Security; 10.1 Reconnaissance; 10.2 Exploitation; 10.3 Final Thoughts; Chapter 11: Wireless Packet Analysis; 11.1 Physical Considerations; 11.2 Wireless Card Modes; 11.3 Sniffing Wirelessly in Windows; 11.4 Sniffing Wirelessly in Linux; 11.5 802.11 Packet Structure; 11.6 Adding Wireless-Specific Columns to the Packet List Pane; 11.7 Wireless-Specific Filters; 11.8 Wireless Security; 11.9 Final Thoughts; Further Reading; Packet Analysis Tools; Packet Analysis Resources; Colophon; Updates;
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Autoren-Porträt von Chris Sanders
Chris Sanders is a computer security consultant, author, and researcher. A SANS Mentor who holds several industry certifications, including CISSP, GCIA, GCIH, and GREM, he writes regularly for WindowSecurity.com and his blog, ChrisSanders.org. Sanders uses Wireshark daily for packet analysis. He lives in Charleston, South Carolina, where he works as a government defense contractor.
Bibliographische Angaben
- Autor: Chris Sanders
- 2011, 2nd, upd. and rev. ed. Repr., 208 Seiten, mit Abbildungen, Maße: 18,1 x 23,3 cm, Kartoniert (TB), Englisch
- Verlag: No Starch Press
- ISBN-10: 1593272669
- ISBN-13: 9781593272661
Sprache:
Englisch
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