Wireshark is the world's most popular network analyzer tool with over 1 million downloads per month. As the original creator of Wireshark University Laura Chappell is undoubtedly one of the best Wireshark instructors around. Laura Chappell Protocol Analysis Institute and Chappell University are not affiliated with the Wireshark Foundation. In this updated book Laura offers step-by-step instructions on the key functions and features of Wireshark including:Filter on addresses protocols fields or t