Wireshark

Wireshark is a powerful, open-source network protocol analyzer used by network administrators, security professionals, developers, and IT specialists to capture and examine network traffic in real-time. It allows users to inspect data packets flowing across networks, troubleshoot connectivity issues, analyze network performance, and investigate security incidents. The application provides deep visibility into network communications by decoding hundreds of protocols and presenting the data in a user-friendly interface with filtering and analysis tools. Wireshark is considered the industry standard for network analysis and is essential for anyone working with network infrastructure, cybersecurity, or network application development.