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:
-
wnpa-sec-2021-03 Wireshark could open unsafe URLs. Issue 17232. CVE-2021-22191.
The following bugs have been fixed:
-
NTP Version 3 Client Decode PDML output issue (Reference ID Issue) Issue 17112.
-
3.4.2: public wireshark include files are including build time "config.h" Issue 17190.
-
wireshark-3.4.3/epan/dissectors/packet-s7comm.c:3521: bad array index ? Issue 17198.
-
SIP protocol: P-Called-Party-ID header mixed up with P-Charge-Info header Issue 17215.
-
Asterix CAT010 Decode Error Issue 17226.
-
_ws.expert columns not populated for IPv4 Issue 17228.
-
Buildbot crash output: fuzz-2021-02-12-1651908.pcap Issue 17233.
-
gQUIC: Wireshark 3.4.3 fails to dissect a packet (gQUIC q024) that v3.2.6 succeeds. Issue 17250.
New and Updated Features
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
ASTERIX, Frame Relay, GQUIC, NTP, NVMe Fabrics RDMA, S7COMM, and SIP
New and Updated Capture File Support
iSeries
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’sQ&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.