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Wireshark 1.2.7 Release Notes

What is Wireshark?

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

What's New

Bug Fixes

The following bugs have been fixed:

  • SNMPv3 Engine ID registration. (Bug 2426)

  • Open file dialog always displayed when clicking anywhere on Wireshark. (Bug 2478)

  • tshark reports wrong number of bytes on big dumpfiles with -z io,stat. (Bug 3205)

  • Negative INTEGER number displayed as positive number in SNMP dissector. (Bug 3230)

  • Add support for FT_BOOLEAN fields to wslua FieldInfo. (Bug 4049)

  • Wireshark crashes w/ GLib error when trying to play RTP stream. (Bug 4119)

  • Windows 2000 support has been restored. (Bug 4176)

  • Wrong dissection on be_cell_id_list for bssmap. (Bug 4437)

  • I/O Graph dropdown boxes not working correctly. (Bug 4487)

  • Runtime Error when right-clicking field and selecting "Filter Field Reference". (Bug 4522)

  • In GSM SMS PDU TPVPF showing wrong. (Bug 4524)

  • Profinet: May be wrong defined byte meaning. (Bug 4525)

  • GLib-CRITICAL ** Message. (Bug 4547)

  • Certain EDP display filters trigger Wireshark/tshark runtime error. (Bug 4563)

  • Some NCP frames trigger "Dissector bug, protocol NCP". (Bug 4565)

  • The encapsulation abbreviation "bluetooth-h4" is ambiguous. (Bug 4613)

New and Updated Features

There are no new features in this release.

New Protocol Support

There are no new protocols in this release.

Updated Protocol Support


Updated Capture File Support

There are no updated capture file formats in this release.

Getting Wireshark

Wireshark source code and installation packages are available from

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.

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.

Known Problems

Wireshark may appear offscreen on multi-monitor Windows systems. (Bug 553)

Wireshark might make your system disassociate from a wireless network on OS X. (Bug 1315)

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)

Wireshark might freeze when reading from a pipe. (Bug 2082)

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

The 64-bit Windows installer does not ship with the same libraries as the 32-bit installer. (Bug 3610)

Getting Help

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

Commercial support, training, and development services are available from CACE Technologies.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.