The Wireshark User's Guide is available in several formats:
Web pages (browseable): One huge page or multiple pages
Web pages (ZIP file): One huge page or multiple pages
Windows HTML Help
UNIX-style man pages for Wireshark, TShark, dumpcap, and other utilities
All of Wireshark's display filters, from version 1.0.0 to present.
Version 0.99.2 to present.
Information about vulnerabilities in past releases and how to report a vulnerability
Books, articles, videos and more!
How to set up a wireshark.org mirror
Our primary distribution point and how it affects you