Wireshark is the world's most popular network analyzer with over 500,000 downloads per month. And yes, it is still free. Created by Gerald Combs under the original name Ethereal, Wireshark is maintained by a dedicated group of core developers. Wireshark University was formed to validate your skills in packet capture and analysis.

ANNOUNCEMENT: WCNA Boot Camp Class (June 14-16) at Sharkfest 2014

Laura Chappell will be teaching the WCNA Boot Camp class at Sharkfest 2014. Click here for more information.
 

Training

Check out the training options for self-study or instructor-led courses related to Wireshark.

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Certification

Get all the information you need to prepare and register for the Wireshark Certified Network Analyst designation.

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Reading

The new Wireshark 101: Essential Skills for Network Analysis book is a great place to start.

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