The world`s foremost network protocol analyzer for Windows

Wireshark (32-bit)

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Wireshark 2.6.6 (32-bit)

  -  51.8 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Wireshark 2.6.6 (32-bit).


For those interested in downloading the most recent release of Wireshark (32-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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Download Wireshark 2.6.6 (32-bit)

  • Wireshark 2.6.6 (32-bit) Screenshots

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    Wireshark 2.6.6 (32-bit) Screenshot 1
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  • Wireshark 2.6.6 (32-bit) Screenshot 4
  • Wireshark 2.6.6 (32-bit) Screenshot 5

What's new in this version:

New:
- The Windows installers now ship with Qt 5.9.7. Previously they shipped with Qt 5.9.5

Bug Fixes:
- The 6LoWPAN dissector could crash
- The P_MUL dissector could crash
- The RTSE dissector and other dissectors could crash
- The ISAKMP dissector could crash
- console.lua not found in a folder with non-ASCII characters in its name
- Disabling Update list of packets in real time. will generally trigger crash after three start capture, stop capture cycles
- UDP Multicast Stream double counts
- text2pcap et al. set snaplength to 64kiB-1, while processing frames of 256kiB
- Builds without libpcap fail if the libpcap headers aren’t installed
- TCAP AnalogRedirectRecord parameter incorrectly coded as mandatory in QualReq_rr message
- macOS DMG appears to have duplicate files
- Wireshark jumps behind other windows when opening UAT dialogs
- Pathnames containing non-ASCII characters are mangled in error dialogs on Windows
- Executing -z http,stat -r file.pcapng throws a segmentation fault
- IS-41 TCAP RegistrationNotification Invoke has borderCellAccess parameter coded as tag 50 (as denyAccess) but should be 58
- In DNS statistics, response times > 1 sec not included
- GTPv2 APN dissect problem

Updated Protocol Support:
- 6LoWPAN, ANSI MAP, DNP3, DNS, GSM A, GTP, GTPv2, IMF, ISAKMP, ISObus VT, Kerberos, P_MUL, RTSE, S7COMM, and TCAP

Major API Changes:
- Lua: on Windows, file-related functions such as dofile now assume UTF-8 paths instead of the local code page. This is consistent with Linux and macOS and improves compatibility on non-English systems

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