27 July 2009 | 9,541 views

Wireshark 1.2.1 Released – Network Protocol Analyzer

Don't let your data go over to the Dark Side!

Wireshark is the world’s foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.

Wireshark development thrives thanks to the contributions of networking experts across the globe. It is the continuation of a project that started in 1998. Many of you will know it as Ethereal.


  • Deep inspection of hundreds of protocols, with more being added all the time
  • Live capture and offline analysis
  • Standard three-pane packet browser
  • Multi-platform: Runs on Windows, Linux, OS X, Solaris, FreeBSD, NetBSD, and many others
  • Captured network data can be browsed via a GUI, or via the TTY-mode TShark utility
  • The most powerful display filters in the industry
  • Rich VoIP analysis
  • Capture files compressed with gzip can be decompressed on the fly

You can see the full changelog for version 1.2.1 here:

Wireshark 1.2.1 Release Notes

A LOT of vulnerabilities and bugs have been fixed in this version, some having persisted since version 1.0 – so it’d be a good time to upgrade if you haven’t already.

You can download Wireshark 1.2.1 here:

Windows 32-bit – wireshark-win32-1.2.1.exe
Source code – wireshark-1.2.1.tar.bz2

Or read more here.


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