Protect your network as you move from the basics of the Wireshark scenarios to detecting and resolving network anomalies.

Key FeaturesLearn protocol analysis, optimization and troubleshooting using Wireshark, an open source toolLearn the usage of filtering and statistical tools to ease your troubleshooting jobQuickly perform root-cause analysis over your network in an event of network failure or a security breachBook Description

Wireshark is an open source protocol analyser, commonly used among the network and security professionals. Currently being developed and maintained by volunteer contributions of networking experts from all over the globe. Wireshark is mainly used to analyze network traffic, analyse network issues, analyse protocol behaviour, etc. — it lets you see what's going on in your network at a granular level. This book takes you from the basics of the Wireshark environment to detecting and resolving network anomalies.

This book will start from the basics of setting up your Wireshark environment and will walk you through the fundamentals of networking and packet analysis. As you make your way through the chapters, you will discover different ways to analyse network traffic through creation and usage of filters and statistical features. You will look at network security packet analysis, command-line utilities, and other advanced tools that will come in handy when working with day-to-day network operations.

By the end of this book, you have enough skill with Wireshark 2 to overcome real-world network challenges.

What you will learnLearn how TCP/IP works Install Wireshark and understand its GUICreation and Usage of Filters to ease analysis processUnderstand the usual and unusual behaviour of ProtocolsTroubleshoot network anomalies quickly with help of WiresharkUse Wireshark as a diagnostic tool for network security analysis to identify source of malwareDecrypting wireless trafficResolve latencies and bottleneck issues in the networkWho this book is for

If you are a security professional or a network enthusiast who is interested in understanding the internal working of networks and packets, then this book is for you. No prior knowledge of Wireshark is needed.

Charit Mishra is an ICS/SCADA professional, working as a security architect for critical infrastructure across several industries, including oil and gas, mining, utilities, renewable energy, transportation, and telecom. He has been involved in leading and executing complex projects involving the extensive application of security standards, frameworks, and technologies. A postgraduate in computer science, Charit's profile boasts of leading industry certifications such as OSCP, CEH, CompTIA Security+, and CCNA R&S. Moreover, he regularly delivers professional training and knowledge sessions on critical infrastructure security internationally.