Wireshark is the world's most popular network analyzer tool with over 1 million downloads per month. As the Founder of Wireshark University, Laura Chappell is undoubtedly one of the best Wireshark instructors around.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 traffic characteristics Create custom columns for more efficient analysis Find the source of delays with filters and coloring rules Perform unattended captures with auto-stop conditions Filter on keywords using wildcards and regular expressions Graph and compare user, subnet and application traffic Reassemble and extract a file from captured traffic Identify DNS and HTTP errors fast Export important packet details to .csv format ...and moreThis book includes 46 step-by-step Labs to quickly bring you up to speed with Wireshark version 2 regardless of whether you are a newbie or already working with Wireshark today!