What is Wireshark? The Free Network Sniffing Tool
Wireshark is a free open source tool that analyzes network traffic in real-time for Windows, Mac, Unix, and Linux systems. It captures data packets passing through a network interface (such as Ethernet, LAN, or SDRs) and translates that data into valuable information for IT professionals and cybersecurity teams. Wireshark is a type of packet sniffer (also known as a network protocol analyzer, protocol analyzer, and network analyzer).