What's new

This page is a changelog that collects the major changes and additions to this documentation. (If you want to know the details about why we have separate documentation for AxoSyslog, our syslog-ng distribution and how it relates to the syslog-ng documentation, read our syslog-ng documentation and similarities with AxoSyslog Core blog post.)

2023-08-18 to 2023-10-20

• syslog-ng-otlp source and syslog-ng-otlp destination
• Loki destination
• Amazon S3 destination
• OpenSearch destination
• stdout destination
• http destination options:
  • ignore-hostname-mismatch ssl-option
  • accept-encoding()
  • accept-redirects()
  • content-compression()
• Dynamic labeling in the metrics-probe parser

2023-07-07 to 2023-08-18

OpenTelemetry

• OpenTelemetry source
• OpenTelemetry destination
• OpenTelemetry parser

New sources and related changes

• Hypr Audit Trail and Hypr App Audit Trail
• OpenTelemetry
• match-boot and matches options of the syslog-journal() source

New destinations and related changes

• Falcon LogScale
• OpenTelemetry
• Splunk HEC
• dbdi-driver-dir() and quote-char() options of the sql() destination
• bulk-mode(), bulk-bypass-validation(), and bulk-unordered() and write-concern() options of the mongodb() destination

New parsers and related changes

• group-lines
• Count the messages that pass through the log path (metrics-probe)
• OpenTelemetry
• RFC5424 structured data (SDATA) parser
• sdata-prefix option for the syslog-parser
• escape-backslash-with-sequences option for the csv-parser

Other changes

• Typing support (Specifying data types in value-pairs)
• Nonsequential message processing for improved performance
• An overview of writing Python modules for syslog-ng
• New syslog-ng-ctl commands
• Configuration identifier
• Named log paths
• format-date template function
• TLS improvements: OCSP stapling verification and SSL_CONF_cmd support
• RAWMSG_SIZE macro
• lower and upper transformations for the rekey value-pairs() option

New global options

• log-level
• stats