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:

  • Buildbot crash output: randpkt-2019-11-30-22633.pcap. Bug 16240.

  • Crash after closing the Edit Column widget. Bug 16245.

  • Some valid erf timestamps get confused for gzip magic header bytes and causes an error with file_seek. Bug 16252.

  • [UDS] When filtering the uds.rdbi.data_identifier field is interpreted as 1 byte whereas it consists of 2 bytes. Bug 16256.

  • DNS time to live field should be displayed as days/hours/minutes/seconds. Bug 16263.

  • LNet incorrectly displays Malformed Packet for RDMA Read Requests. Bug 16269.

  • 11ad packets get reported as 11n. Bug 16272.

  • MPLS : Label Stack Sub TLV decoded improperly. Bug 16273.

  • h264: SPS frame_crop_right_offset shown in UI as frame_crop_left_offset. Bug 16285.

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

802.11 Radiotap, DNS, GSM A RR, H264, LNET, MPLS Echo, TIPC, and UDSG

New and Updated Capture File Support

There is no new or updated capture file support in this release.

New and Updated Capture Interfaces support

There is no new or updated capture file support in this release.

Getting Wireshark

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

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

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.

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

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

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.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.

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