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syslog-ng Premium Edition 7.0.17 - Release Notes

New features in syslog-ng PE 7.0.17


Detailed documentation about upgrading from syslog-ng PE 6 to version 7 is available at "Upgrading from syslog-ng PE 6.0.x to version 7" in the Administration Guide.

New features in syslog-ng PE 7.0.14

Google Stackdriver destination

The stackdriver destination of syslog-ng PE can send log messages to the Google Stackdriver cloud. Google Stackdriver is a widely used metrics, event, and log aggregator and analyzer system. For details, see "stackdriver: Sending logs to the Google Stackdriver cloud" in the Administration Guide.

Elasticsearch HTTP destination

Version 7.0.14 of syslog-ng PE can directly post log messages to an Elasticsearch deployment using the Elasticsearch Bulk API over the HTTP and Secure HTTP (HTTPS) protocols. For details, see "elasticsearch-http: Sending messages to Elasticsearch HTTP Event Collector" in the Administration Guide.

Windows Server 2019 logs

The Windows Event Collector application now supports Windows Server 2019.

  • The syslog-ng-ctl reload command now has a return value: 0 if the operation was successful, 1 otherwise.

  • Instead of dropping incoming messages that are too long, you can now trim them using the trim-large-messages() option of the syslog() source.

New features in syslog-ng PE 7.0.13

Linux Audit Parser

The Linux Audit Parser can parse the log messages of the Linux Audit subsystem (auditd). The syslog-ng PE application can separate these log messages to name-value pairs. For details, see "Linux audit parser" in the Administration Guide.

Processing arrays in Windows Eventlog messages

The windowsevent() source can now automatically process XML arrays, making the array elements available as name-value pairs. For example, the following XML array becomes available as name-value pairs:

<Event xmlns="">
    <Data Name="SubjectUserSid">S-1-5-18</Data>
    <Data Name="SubjectUserName">WIN-K1678A68SQ6$</Data>

Name-value pairs:
Event.System.EventID = 5059
Event.EventData.SubjectUserSid = S-1-5-18
Event.EventData.SubjectUserName = WIN-K1678A68SQ6$

For details, see "windowsevent: Collecting Windows event logs" in the Administration Guide.

Docker support

Installing the syslog-ng Premium Edition application in Docker containers is now officially supported on CentOS 7, Red Hat EL 7.5, and Ubuntu 18.04 (Bionic Beaver) platforms. For details, see "Installing syslog-ng in Docker" in the Administration Guide.

  • The persist-tool utility is now part of the syslog-ng PE package. For details, see the persist-tool manual page.

New features in syslog-ng PE 7.0.12

Send log messages directly to Splunk HEC

Version 7.0.12 of syslog-ng PE can directly post log messages to a Splunk deployment using the HTTP Event Collector (HEC) over the HTTP and Secure HTTP (HTTPS) protocols. The solution is optimized for performance, and supports sending messages in batch mode, multithreaded message sending, and load-balancing to multiple Splunk indexer nodes.

HTTPS connection, as well as password- and certificate-based authentication is supported. The content of the events is sent in JSON format.

For details, see "splunk-hec: Sending messages to Splunk HTTP Event Collector" in the Administration Guide.

Ubuntu 18.04 (Bionic Beaver) support

Version 7.0.12 of syslog-ng PE is now available on the Ubuntu 18.04 platform. Note that the Java-based drivers of syslog-ng PE (used for Apache Kafka, Elasticsearch, HDFS) require Java 8, Java 10 is not supported.

http() destination improvements

The http() destination now supports load balancing, so a single syslog-ng PE instance can feed log data to multiple HTTP servers, for example, multiple ingestion nodes of an Elasticsearch cluster. For details, see "Batch mode and load balancing" in the Administration Guide.

HTTP and HTTPS redirections now also handled automatically.

  • The syslog() and network() drivers now support the so-reuseport() option that allows multiple sockets on the same host to bind to the same port, improving the performance of multithreaded network server applications running on top of multicore systems.

  • The Cisco parser now supports Cisco Catalyst formatted triplets.

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