As mentioned in Chapter 1, several packet-sniffing applications are available for performing network analysis, but we’ll focus mostly on Wireshark in this book. This chapter introduces Wireshark.

A Brief History of Wireshark

Wireshark has a very rich history. Gerald Combs, a computer science graduate of the University of Missouri at Kansas City, originally developed it out of necessity. The first version of Combs’s application, called Ethereal, was released in 1998 under the GNU Public License (GPL).

Eight years after releasing Ethereal, Combs left his job to pursue other career opportunities. Unfortunately, his employer ...

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