Build customized capture and display filters.Use packet analysis to identify and resolve common network problems like loss of connectivity, DNS issues, sluggish speeds, and malware infections.In Practical Packet Analysis, readers learn how to: "This book is for anyone who wants to better understand their network, whether they're a programmer, network administrator, or even a network security analyst." "If someone can analyze network traffic effectively at the packet level, there are few problems they can't solve," said author Chris Sanders. Add to this a thorough introduction to the TCP/IP network stack and readers will be on their way to packet analysis proficiency in no time. Readers will also find new material on troubleshooting slow networks and a section explaining how modern exploits and malware behave at the packet level. This completely revised and updated second edition includes an expanded discussion of network protocols and 45 new scenarios. In Practical Packet Analysis ( No Starch Press, July 2011, 280 pp., $49.95, ISBN 9781593272661), readers learn how to use Wireshark to analyze packets in order to better understand network communication and troubleshoot network problems. But once the packets are captured, the work has just begun. No matter what your level of experience is, Practical Packet Analysis will show you how to use Wireshark to make sense of any network and get things done.San Francisco, CA, June 22, 2011-Wireshark, the free and open source packet analyzer, lets users capture, examine, and reassemble packets in order to troubleshoot their network problems. –Build statistics and reports to help you better explain technical network information to non-techies –Use advanced Wireshark features to understand confusing captures –Graph traffic patterns to visualize the data flowing across your network –Extract files sent across a network from packet captures –Explore modern exploits and malware at the packet level –Use packet analysis to troubleshoot and resolve common network problems, like loss of connectivity, DNS issues, and slow speeds –Build customized capture and display filters –Monitor your network in real time and tap live network communications Practical Packet Analysis will show you how to: You’ll find added coverage of IPv6 and SMTP, a new chapter on the powerful command line packet analyzers tcpdump and TShark, and an appendix on how to read and reference packet values using a packet map. Updated to cover Wireshark 2.x, the third edition of Practical Packet Analysis will teach you to make sense of your packet captures so that you can better troubleshoot network problems. But how do you use those packets to understand what’s happening on your network?
It’s easy to capture packets with Wireshark, the world’s most popular network sniffer, whether off the wire or from the air.
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