WireShark

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Portable version available: 

A portable version of this product is available from the developer.

Our rating: 

License type: 

System requirements: 

Windows, Mac OS X, Linux

Download file size: 

21.2 MB Win 32 exe

Version: 

1.10.0

Additional information: 

View the release notes here

64 Bit compatibility: 

32 and 64 bit versions available

Page anchor: 

wireshark

Review article: 

Best Free Network Analysis Tools

Pros: 

De-facto packet analyzer, captures packets of standard ethernet, PPP and VPN interfaces.

Product type: 

Runs as a stand-alone program on a user's computer

Top Pick?: 

1

Download page: 

http://www.wireshark.org/download.html

Developers website: 

http://www.wireshark.org