Wireshark

Wireshark 1.6

Free
Wireshark is the world's most popular network protocol analyzer
4.5  (130 votes)
5.6
2.2.7 (See all)

Wireshark is the world's most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
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.

Here are some examples people use Wireshark for:
- network administrators use it to troubleshoot network problems
- network security engineers use it to examine security problems
- developers use it to debug protocol implementations
- people use it to learn network protocol internals

Main Features :

- Available for UNIX and Windows.
- Capture live packet data from a network interface.
- Display packets with very detailed protocol information.
- Open and Save packet data captured.
- Import and Export packet data from and to a lot of other capture programs.
- Filter packets on many criteria.
- Search for packets on many criteria.
- Colorize packet display based on filters.
- Create various statistics.

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