Wireshark
Overview, architecture and features
Configuration and operation
Capturing from live networks
Analysis of packets and sessions
Filtering and statistics
Use cases and demos
FTP sessions and sniffing of passwords
Telnet sessions and sniffing of passwords
VoIP and call reconstruction
HTTP sessions
HTTP sessions with authentication and sniffing of passwords
Advanced topics
Sniffing of HTTPS sessions and decrypting of SSL streams
Writing a custom Wireshark dissector plugin
Command line tools and options