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NEWS
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NEWS
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Wireshark 3.7.0 Release Notes
This is an experimental release intended to test new features for
Wireshark 3.6.
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
• The PCRE2 library (https://www.pcre.org/) is now a required
dependency to build Wireshark.
Many improvements have been made. See the “New and Updated Features”
section below for more details.
New and Updated Features
The following features are new (or have been significantly updated)
since version 3.6.0:
• Display filter syntax:
• Set elements must be separated using a comma, e.g: {1, 2,
"foo"}. Using only whitespace as separator was deprecated in 3.6
and is now a syntax error.
• Adds support for some additional character escape sequences in
double quoted strings. Besides octal and hex byte specification
the following C escape sequences are now supported with the same
meaning: \a, \b, \f, \n, \r, \t, \v. Previously they were only
supported with character constants.
• Unrecognized escape sequences are now treated as a syntax
error. Previously they were treated as a literal character. In
addition to the sequences indicated above, backslash, single
quotation and double quotation mark are also valid sequences: \\,
\', \".
• The display filter engine now uses PCRE2 instead of GRegex
(GLib bindings to the older end-of-life PCRE library). PCRE2 is
compatible with PCRE so the user-visible changes should be
minimal. Some exotic patterns may now be invalid and require
rewriting.
• HTTP2 dissector now supports using fake headers to parse the
DATAs of streams captured without first HEADERS frames of a
long-lived stream (like gRPC streaming call which allows sending
many request or response messages in one HTTP2 stream). User can
specify fake headers according to the server port, stream id and
direction of the long-lived stream that we start capturing
packets after it is established.
New File Format Decoding Support
New Protocol Support
Host IP Configuration Protocol (HICP) and Secure Host IP
Configuration Protocol (SHICP)
Updated Protocol Support
Too many protocols have been updated to list here.
New and Updated Capture File Support
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[1] 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 "Help › About
Wireshark › Folders" or `tshark -G 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[2] 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[3].
Bugs and feature requests can be reported on the issue tracker[4].
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site[5].
Last updated 2021-11-28 16:07:10 UTC
References
1. https://www.wireshark.org/download.html
2. https://ask.wireshark.org/
3. https://www.wireshark.org/lists/
4. https://gitlab.com/wireshark/wireshark/-/issues
5. https://www.wireshark.org/faq.html