I demonstrate capturing packets with Wireshark. Protocols that are analyzed are Telnet, SSH, FTP, and HTTP web traffic. I show how to use Wireshark to discover usernames and passwords as well as rebuilding web page content like JPG and PNG image files.
You can find Wireshark at: http://wireshark.org
You can find PuTTY at: http://www.chiark.greenend.org.uk/~sg…
You can find Filezilla at: https://filezilla-project.org/