To get the most out of this book

You will need to install the Wireshark software. It can be downloaded from www.wireshark.org.

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here: https://www.packtpub.com/sites/default/files/downloads/NetworkAnalysisUsingWireshark2CookbookSecondEdition_ColorImages.pdf.

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Add the string tcp.window_size to view the TCP window size."

A block of code is set as follows:

tcp[Offset:Bytes] 
//Or
udp[Offset:Bytes]

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "When you go to the configuration menu and choose Networking."

Warnings or important notes appear like this.

Tips and tricks appear like this.