Wireshark is the world’s foremost network protocol analyzer. It lets you see what’s happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions.
Wireshark development thrives thanks to the contributions of networking experts across the globe. It is the continuation of a project that started in 1998.
Wireshark 2.0 features a completely new user interface which should provide a smoother, faster user experience. The new interface should be familiar to current users of Wireshark but provide a faster workflow for many tasks.
The Windows installer provides the option of installing either the new interface (“Wirehsark”) or the old interface (“Wireshark Legacy”). Both are installed by default. Note that the legacy interface will be removed in Wireshark 2.2.
The OS X installer only provides the new interface. If you need the old interface you can install it via Homebrew or MacPorts.
Wireshark’s Debian- and RPM-based package definitions provide the new interface in the “wireshark-qt” package and the old interface in the “wireshark-gtk” package. It is hoped that downstream distributions will follow this convention.
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