Huge thanks to our Platinum Members Endace and LiveAction,
and our Silver Member Veeam, for supporting the Wireshark Foundation and project.

Wireshark 2.2.1 Release Notes


1. What is Wireshark?

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

2. What’s New

  • The Windows installers now ship with Qt 5.6. Previously they shipped with Qt 5.3.

2.1. Bug Fixes

The following vulnerabilities have been fixed:

The following bugs have been fixed:

  • Flow Graph colored data arrows. (Bug 12065)
  • Capture File Properties under Statistics Grayed Out after Stopping a Capture. (Bug 12071)
  • Qt: Hidden columns displayed during live capture. (Bug 12377)
  • Unable to save changes to coloring rules. (Bug 12814)
  • Bad description for NBSS error code 0x81. (Bug 12835)
  • Live capture from USBPcap fails immediately. (Bug 12846)
  • Cannot decrypt EAP-TTLS traffic (not recognized as conversation). (Bug 12879)
  • Export packet dissections Option disabled after capturing traffic. (Bug 12898)
  • Failure to open file named with Chinese or other multibyte characters. (Bug 12900)
  • k12 text file format causes errors. (Bug 12903)
  • File | File Set | List Files dialog is blank. (Bug 12904)
  • Decoding/Display of an INAP CONNECT message goes wrong for the Destination Routing Address part. (Bug 12911)
  • TLS padding extension dissector length parsing bug. (Bug 12922)
  • Diameter dictionary bugs. (Bug 12927)
  • File open from menu bar with filter in place causes Wireshark to crash. (Bug 12929)
  • Unable to capture USBPcap trace using tshark with extcap built. (Bug 12949)
  • P1 dissector fails a TVB assertion. (Bug 12976)
  • Multiple PortableApps instances can once again be run at the same time.

2.2. New and Updated Features

There are no new features in this release.

2.3. New File Format Decoding Support

There are no new file formats in this release.

2.4. New Protocol Support

There are no new protocols in this release.

2.5. Updated Protocol Support

6LowPAN, BT L2CAP, CIP, DCOM IRemUnknown, Diameter, DMP, EAP, ISUP, NBT, NCP, NetFlow, SSL / TLS, and U3V

2.6. New and Updated Capture File Support

Ascend, and K12

2.7. New and Updated Capture Interfaces support

There are no new or updated capture interfaces supported in this release.

2.8. Major API Changes

There are no major API changes in this release.

3. Getting Wireshark

Wireshark source code and installation packages are available from https://www.wireshark.org/download.html.

3.1. Vendor-supplied Packages

Most Linux and Unix vendors supply their own Wireshark packages. You can usually install or upgrade Wireshark using the package management system specific to that platform. A list of third-party packages can be found on the download page on the Wireshark web site.

4. File Locations

Wireshark and TShark look in several different locations for preference files, plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform to platform. You can use About→Folders to find the default locations on your system.

5. Known Problems

Dumpcap might not quit if Wireshark or TShark crashes. (Bug 1419)

The BER dissector might infinitely loop. (Bug 1516)

Capture filters aren’t applied when capturing from named pipes. (Bug 1814)

Filtering tshark captures with read filters (-R) no longer works. (Bug 2234)

Application crash when changing real-time option. (Bug 4035)

Packet list rows are oversized. (Bug 4357)

Wireshark and TShark will display incorrect delta times in some cases. (Bug 4985)

Wireshark should let you work with multiple capture files. (Bug 10488)

Dell Backup and Recovery (DBAR) makes many Windows applications crash, including Wireshark. (Bug 12036)

6. Getting Help

Community support is available on Wireshark’s Q&A site and on the wireshark-users mailing list. Subscription information and archives for all of Wireshark’s mailing lists can be found on the web site.

Official Wireshark training and certification are available from Wireshark University.

7. Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.