Over 100 recipes to analyze and troubleshoot network problems using Wireshark 2Key FeaturesPlace Wireshark 2 in your network and configure it for effective network analysisDeep dive into the enhanced functionalities of Wireshark 2 and protect your network with easeA practical guide with exciting recipes on a widely used network protocol analyzerBook DescriptionThis book contains practical recipes on troubleshooting a data communications network. This second version of the book focuses on Wireshark 2, which has already gained a lot of traction due to the enhanced features that it offers to users. The book expands on some of the subjects explored in the first version, including TCP performance, network security, Wireless LAN, and how to use Wireshark for cloud and virtual system monitoring. You will learn how to analyze end-to-end IPv4 and IPv6 connectivity failures for Unicast and Multicast traffic using Wireshark. It also includes Wireshark capture files so that you can practice what you've learned in the book. You will understand the normal operation of E-mail protocols and learn how to use Wireshark for basic analysis and troubleshooting. Using Wireshark, you will be able to resolve and troubleshoot common applications that are used in an enterprise network, like NetBIOS and SMB protocols. Finally, you will also be able to measure network parameters, check for network problems caused by them, and solve them effectively. By the end of this book, you'll know how to analyze traffic, find patterns of various offending traffic, and secure your network from them.What you will learnConfigure Wireshark 2 for effective network analysis and troubleshootingSet up various display and capture filtersUnderstand networking layers, including IPv4 and IPv6 analysisExplore performance issues in TCP/IPGet to know about Wi-Fi testing and how to resolve problems related to wireless LANsGet information about network phenomena, events, and errorsLocate faults in detecting security failures and breaches in networksWho This Book Is ForThis book is for security professionals, network administrators, R&D, engineering and technical support, and communications managers who are using Wireshark for network analysis and troubleshooting. It requires a basic understanding of networking concepts, but does not require specific and detailed technical knowledge of protocols or vendor implementations. Table of ContentsIntroduction to WiresharkConfiguring Wireshark for Network TroubleshootingAdvanced configuration of capture filtersAdvanced configuration of display filtersUsing Basic Statistics ToolsUsing Advanced Statistics ToolsUsing the Expert SystemEthernet and LAN SwitchingWireless LAN AnalysisARP, IPv4/IPv6 and MulticastTransport Layer Protocol AnalysisFTP, HTTP1, and HTTP2Domain Name System (DNS) Protocol AnalysisAnalyzing Mail ProtocolsNetBIOS and SMB Protocols AnalysisAnalyzing Enterprise Applications BehaviorSIP, Multimedia and IP TelephonyTroubleshooting Bandwidth and Delay ProblemsSecurity and Network Forensics
Author: Nagendra Kumar Nainar
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