Wireshark is an awesome open source general purpose network analyzer (AKA: a Sniffer). Before you continue on with this video, I recommend that you check out my article A Quick Intro to Sniffers so you understand the background information. In this video I'll cover the following topics: Running Wireshark, starting a capture with options, drilling down the OSI model, capture filter options, popping out a single packet, sorting by columns, following TCP streams, exporting HTTP objects, simple display filters, the filter builder, applying filters from different panes , saving filters, opening a Wiki page, Edit-> Find packet, sniffing an HTTP Basic Authentication password, Analyzers ->Expert Info, Analyzers ->Firewall ACLs, stats, editing color rules and saving the capture.

If the embedded video below does not show RIGHT click here to save the file to your hard drive.