What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
The Windows installers now ship with Npcap 1.31. They previously shipped with Npcap 1.10.
The Windows installers now ship with Qt 5.15.2. They previously shipped with Qt 5.12.1.
wnpa-sec-2021-04 DVB-S2-BB dissector infinite loop
The following bugs have been fixed:
Macro filters can’t handle escaped characters Issue 17160.
Display filter crashes Wireshark Issue 17316.
IEEE-1588 Signalling Unicast TLV incorrectly reported as being malformed Issue 17355.
IETF QUIC TLS decryption error with extraneous packets during the handshake Issue 17383.
Statistics → Resolved Addresses: multi-protocol (TCP/UDP/…) ports not displayed Issue 17395.
New and Updated Features
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
DNP, DVB-S2-BB, ProtoBuf, PTP, QUIC, RANAP, and TACACS
New and Updated Capture File Support
Ascend, ERF, K12, NetScaler, and pcapng
Wireshark source code and installation packages are available from https://www.wireshark.org/download.html.
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.
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.
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.