Wireshark (Ethereal) www.wireshark.org
- originally named Ethereal, the project was renamed Wireshark in May 2006 due to trademark issues
- is a free and open-source packet analyzer
- it is used for network troubleshooting, analysis, software, communications protocol development, and education
Setup
In order for Wireshark to work, we set the Card (NIC) - Network Adapter - LAN Adapter - Physical Network Interface in either: promiscuous mode or monitor mode