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

Automatic updates were inadvertently disabled in the Wireshark 3.2.1 64-bit and 32-bit Windows installers. If you’re running Wireshark 3.2.1 on Windows you will have to update to a later version manually. Bug 16381

Bug Fixes

The following vulnerabilities have been fixed:

The following bugs have been fixed:

  • Add (IETF) QUIC Dissector. Bug 13881.

  • Support for CoAP over TCP and WebSockets (RFC 8323). Bug 15910.

  • SMB IOCTL response packet with BUFFER_OVERFLOW status is dissected improperly. Bug 16261.

  • Wireshark fails to build with GCC-9. Bug 16319.

  • NVMe/TCP ICReq PDU Not Interpreted Correctly. Bug 16333.

  • ICMP: No response if ICMP reply packet has an ICMP checksum of 0x0000. Bug 16334.

  • Display filter parsing broken after upgrade from 3.0.7. Bug 16336.

  • IPv4 fragment offset value is incorrect in IPv4 header decode. Bug 16344.

  • RTCP frame length warning for SAT>IP APP packets. Bug 16345.

  • RTP export to rtpdump file doesn’t work. Bug 16351.

  • CFDP dissector skips a byte. Bug 16361.

  • ISAKMP: IKEv2 transforms and proposal have critical bit (BUG). Bug 16364.

  • No IPv4/IPv6 hosts in Resolved Addresses dialog. Bug 16366.

  • Lack of Check for Updates option in the Windows GUI. Bug 16381.

  • LLDP dissector consumes all octets to the end of the TVB and eth trailer dissector does not get called. Bug 16387.

  • LACP dissector consumes all octets to the end of the TVB and eth trailer dissector does not get called. Bug 16388.

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


New and Updated Capture File 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.

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.

Bugs and feature requests can be reported on the bug tracker.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.

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