wireshark: wireshark (packet sniffer and protocol analyzer) wireshark: wireshark: Wireshark (aka Ethereal) is a free packet sniffer computer wireshark: application. It is used for network troubleshooting, analysis, wireshark: software and communications, protocol development and education. wireshark: wireshark: Wireshark uses the cross-platform GTK+ widget toolkit. Its wireshark: powerful features make it the tool of choice for network wireshark: troubleshooting, protocol development, and education worldwide. wireshark: wireshark: