Yahoo Messenger Monitor Sniffer is handy network utility software designed to capture and observe Yahoo Messenger conversations on all computers in a network. It is able to record conversations automatically in real time. And export all intercepted messages to HTML files for later processing and analyzing. It is very easy to make it to work, and it will monitor all conversations in your Local Area network without the use of client software installed on the remote computer.

Capsa is an easy-to-use ... easy-to-use Ethernet packet sniffer (network analyzer or network sniffer) for network monitoring and troubleshooting ... network vulnerabilities. Network administrators can directly monitor http requests, email messages, DNS ... from the company`s web site: http://www.colasoft.com/