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.)

Version 4.7 release (2024-04-18)

• Arr logs source
• Jellyfin logs source
• channel-args() option for gRPC-based drivers, like opentelemetry()
• concurrent-requests() option for the opentelemetry() source and the syslog-ng-otlp() source
• tenant-id() option for the Loki destination
• tags-head template function
• MQTT_TOPIC macro
• TRANSPORT macro updates

For details, see the release announcement blog post.

Version 4.6 release (2024-02-01)

• Google BigQuery destination
• Windows XML Event Log (EVTX) parser
• tag template function
• batch-bytes(), compression() and workers() options for the syslog-ng-otlp() and opentelemetry() destinations

For details, see the release announcement blog post.

New sources

• New macOS sources
• qBittorrent logs
• Pi-hole Faster Than Light logs

2023-10-20 to version 4.5 release (2024-01-05)

• Google Pub/Sub destination
• OpenObserve destination
• New http() destination options Templates in the URL and worker-partition-key()

Parsers

• New PostgreSQL csvlog parser
• Columnless mode in csv-parser

TLS options

• ssl-version()
• ignore-validity-period option in to ssl-options()

Manual pages

• --check-startup in The syslog-ng manual page
• secure-logging, slogencrypt, slogkey, and slogverify manual pages.

Other changes

• New quickstart section Sending Kubernetes logs to OpenSearch
• Updates in Install AxoSyslog with Podman and Install AxoSyslog with Docker
• close_batch and set_transport methods in the python source

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