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 vulnerabilities have been fixed:

The following bugs have been fixed:

  • TShark does not print GeoIP information Issue 14691.

  • Lua TvbRanges do not support truncated captures where tvb_captured_length < tvb_reported_length Issue 15655.

  • TShark error when piping to "head" Issue 16192.

  • Buildbot crash output: fuzz-2021-02-22-1012761.pcap Issue 17254.

  • DNS IXFR/AXFR multiple response Issue 17293.

  • File too large Issue 17301.

  • Build fails with CMake 3.20 Issue 17314.

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

DECT, DNS, LDAP, MS-WSP, PROFINET, and Sysdig

New and Updated Capture File Support

pcapng

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.

Getting Help

The User’s Guide, manual pages and various other documentation can be found at https://www.wireshark.org/docs/

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.

Issues and feature requests can be reported on the issue tracker.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.