syslog-ng Open Source Edition
The Swiss army knife of log management With syslog-ng, you can collect logs from any source, process them in real time and deliver them to a wide variety of destinations. syslog-ng allows you to collect, parse, classify, rewrite and correlate logs from across your infrastructure and store or route them to log analysis tools.
(Note: syslog-ng Open Source Edition does not use the affected versions of Apache Log4j, therefore it is not impacted by CVE-2021-44228, CVE-2021-4104, CVE-2021-45015.)
Key features
Highlights
Organizations use syslog-ng to reliably and securely collect, process and normalize log messages from across their IT environments, and forward them to Big Data stores and log analytics or store them in an encrypted log store.
Open source
Released under a combination of the GNU General Public License (GPL) and Lesser General Public License (LGPL) - contributor agreement not required. Developed in the open: code, issues, mailing list all available!
Extensible
syslog-ng can be extended with plugins to suit any use case. Tools and modules can be written in C, Python, Java, Lua, or Perl.
Additional Features
Support for common inputs
syslog-ng not only supports legacy BSD syslog (RFC3164) and the enhanced RFC5424 protocols but also JavaScript Object Notation (JSON) and journald message formats.
Simplify complex log data
Even if you need to collect logs from a diverse range of sources, syslog-ng's patterndb allows you to correlate events together and transform them into a unified format.
Flexible data extraction
Working with unstructured data? That's not a problem: syslog-ng comes with a set of built-in parsers, which you can combine to build very complex things.
Databases destinations
If you need to store your log messages in a database, you don't need to look any further! We have SQL (MySQL, PostgreSQL, even Oracle!),MongoDB. We also support inserting messages into Redis, if that's what you are after.
Message queue support
syslog-ng supports the Advanced Message Queuing Protocol (AMQP) and the Simple Text Oriented Messaging Protocol (STOMP) too, with more in the pipeline.
Resources
syslog-ng Open Source Edition
Collect, process, and deliver logs to a wide variety of destinations with a flexible log management
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Log Management Essentials
Most log messages traditionally come from three types: system logs of servers, network devices, and applications.
Log message classification with syslog-ng
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