Wireshark

Wireshark 2.0

Free
A program that attempts to capture and display network packets
4.4  (132 votes)
4.8
2.4.1 (See all)

Wireshark is a network packet analyzer. A network packet analyzer will try to capture network packets and tries to display that packet data as detailed as possible. Network administrators can use it to troubleshoot network problem, and network security engineers can use it to examine security problems.

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