wireshark: Wireshark is the world's most popular network protocol analyzer.
wireshark: 
wireshark: It has a rich and powerful feature set and runs on most computing
wireshark: platforms including Windows, OS X, and Linux. Network professionals,
wireshark: security experts, developers, and educators around the world use it
wireshark: regularly. It is freely available as open source, and is released
wireshark: under the GNU General Public License
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