Latest Downloads
The latest releases of YAF 2.x are listed below.
See also pre-releases of YAF 3.x and all YAF releases.
RPM Downloads
You can also find RPMs of YAF releases starting from 2.16.2 in our Yum repository.
YAF Release 2.17.1, 2025-Aug-5
Downloads
(SHA256=2d361f602d04ff16cb4c6ffca31f0ba32a55ee4bf87e30a2d2d64fc13b81442e)
Changelog
- Fixed a bug in SMTP DPI due to an uninitialized template.
YAF Release 2.17.0, 2025-Jul-24
Downloads
(SHA256=99a9e8651bcee516a20ddca093d248c5cda3890c5561b2dfd893c4414a0ed52b)
Changelog
- Added the ability for yaf to capture TLS DPI when a standard STML, IMAP, or POP3 connection uses STARTTLS or its equivalent (mid-encryption within the connection).
- Changed IMAP DPI support to be a C plugin. The IMAP settings in yafApplabelRules.conf and yafDPIRules.conf have changed.
- Modified yaf not to capture any payload included with TCP RST packets.
- Added messages to yaf's log that show its version number, process ID, and up-time. They are written on startup, at shutdown, and when SIGUSR1 is received.
- Updated the periodic log messages written when yaf sends a stats packet to include the current and peak flow table sizes.
- Added a log message that yaf writes when it receives a shutdown signal.
- Fixed issues that prevented yaf reading libpcap data from a named pipe.
- Updated yafscii to print timestamps using microsecond precision.
YAF Release 2.16.4, 2025-Jul-1
Downloads
(SHA256=b328d44e5f0fdf5fdf63acbb724cfa569b87f428dde6051958e404b689cf6e16)
Changelog
- Fixed an issue that could cause the JA3 values to be incorrect.
YAF Release 2.15.3, 2025-Jul-1
Downloads
(SHA256=d8be7065937aa2a6462b8f550620e79c28a62be6426dfa7b88680e0e1d46fd7c)
Changelog
- Fixed an issue that could cause the JA3 values to be incorrect.
YAF Release 2.16.3, 2025-Jun-26
Downloads
(SHA256=a394bc8bc2c2402a5bbdfd8c0c23948ddb1757a6856e076a38d0fdec8b93e61a)
Changelog
- Fixed a potential memory leak in TLS/SSL DPI.
YAF Release 2.15.2, 2025-Jun-26
Downloads
(SHA256=2157d8a955d541dd596bbca407647801a07e8ab77c4aa135262f42fa8f3d5f68)
Changelog
- Fixed a potential memory leak in TLS/SSL DPI.
YAF Release 2.16.2, 2025-Apr-17
Downloads
(SHA256=4155794364a1a705841718919a7ef64514a8cb3b13d44211d36dff7ba8c35546)
Changelog
- Improved application labeling of NetBIOS records.
- Fixed a regression in TLS DPI introduced in 2.15.0 that could cause random data to appear in the sslServerName field.
- Fixed bugs in the yaf.spec file when building on RHEL8.
- Changed yaf to exit when --ipfix-port is specified without --ipfix.
- Fixed a potential memory leak in the SSH DPI code.
- Fixed a potential crash when --no-output is used.
- Fixed a compilation error when building with nDPI support.
YAF Release 2.15.1, 2025-Apr-17
Downloads
(SHA256=7c9d331bd7e1f6a8d9b9796c8fa09feb0bca9404c7859244755f293dce17b7ed)
Changelog
- Improved application labeling of NetBIOS records.
- Fixed a regression introduced in 2.15.0 that could cause random data to appear in the sslServerName field.
- Changed yaf to exit when --ipfix-port is specified without --ipfix.
- Fixed a potential memory leak in the SSH DPI code.
- Fixed a potential crash when --no-output is used.
YAF Release 2.16.1, 2024-Sep-26
Downloads
(SHA256=6005b8165831039e616cbcd7a450ac3e6daae051b4421d6294ad9c00688a14a2)
Changelog
- Fixed an invocation bug where yaf-2.16.0 required the --pcap option when using --pcap-meta-file.
- Changed yaf --stime to use milliseconds precision when checking for a match.
- Fixed a compilation error and an RPM spec file dependecy issue when attempting to build with Napatech support.
Visit Release History for older releases.
