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syslog-ng documentation
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        • Before you begin
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        • Amazon s3 options
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        • Converting Cisco messages
        • snmp() destination options
        • splunk-hec-event: Send log messages to Splunk HEC
        • Using the sql() driver with an Oracle database
        • Using the sql() driver with a Microsoft SQL database
          • MySQL-specific interaction methods
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        • sql() destination options
        • stdout() options
        • stomp() destination options
        • sumologic-http()
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        • sumologic-http() destination options
        • sumologic-syslog() destination options
        • syslog() destination options
        • syslog-ng() destination options
        • syslog-ng-otlp() destination options
        • Change an old destination driver to the network() driver
        • telegram() destination options
        • unix-stream() and unix-dgram() destination options
      • usertty
      • Custom destinations
      • Client-side failover
          • Using embedded log statements
        • if-else-elif - Conditional expressions
        • Junctions and channels
        • Log path flags
        • Flow-control and multiple destinations
        • Configuring flow-control
        • Enabling reliable disk-based buffering
        • Enabling normal disk-based buffering
          • Information about disk-buffer files
          • Getting the status information of disk-buffer files
          • Getting the list of disk-buffer files
          • Printing the content of disk-buffer files
          • Orphan disk-buffer files
          • How to process messages from an orphan disk-buffer file
        • Enabling memory buffering
        • About disk queue files
        • Using filters
        • Combining filters with boolean operators
        • Comparing macro values in filters
        • Using wildcards in filters
        • Tagging messages
          • facility()
          • filter()
          • host()
          • in-list()
          • level() or priority()
          • match()
          • message()
          • netmask()
          • netmask6()
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          • tags()
      • Dropping messages
      • Global options
        • Configuring TLS on the syslog-ng OSE clients
        • Configuring TLS on the syslog-ng OSE server
        • Configuring syslog-ng OSE clients with mutual authentication
        • Configuring syslog-ng OSE servers with mutual authentication
      • Password-protected keys
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        • Formatting messages, filenames, directories, and tablenames
        • Templates and macros
        • Date-related macros
        • Hard versus soft macros
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        • Example use case
        • Using template functions
        • Template functions of syslog-ng OSE
        • Modifying the on-the-wire message format
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        • Setting facility
        • Setting priority
        • Setting match variables
        • Unsetting message fields
        • Renaming message fields
        • Creating custom SDATA fields
        • Setting multiple message fields to specific values
        • map-value pairs
        • Conditional rewrites
        • Adding and deleting tags
        • Rewrite the timezone of a message
        • Anonymizing credit card numbers
          • The type() options of regular expressions
          • The flags() options of regular expressions
        • Optimizing regular expressions
        • Options of syslog-parser() parsers
        • Options of CSV parsers
        • Options of key=value parsers
        • Options of JSON parsers
        • Limitations of the XML parsers
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      • Python parser
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        • Options of apache-accesslog-parser() parsers
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        • Message format parsed by panos-parser()
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        • PostgreSQL csvlog parser options
      • MariaDB parser
        • metrics-probe options
      • Websense parser
      • Windows XML Event Log (EVTX) parser
        • Fortigate parser options
      • Check Point Log Exporter parser
        • Options of Regular expression parsers
          • The structure of the pattern database
          • How pattern matching works
          • Artificial ignorance
          • Using parser results in filters and templates
          • Downloading sample pattern databases
          • Correlating log messages using pattern databases
          • Conditional actions
          • External actions
          • Actions and message correlation
          • Using pattern parsers
          • Pattern parsers of syslog-ng OSE
          • What’s new in the syslog-ng OSE pattern database format V5
              • patterns
                    • urls
                    • values
                      • example
                  • create-context
              • tags
      • OpenTelemetry parser
      • Correlating messages using the grouping-by() parser
      • Referencing earlier messages of the context
      • Options of grouping-by parsers
        • Using filters as selector
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      • The dqtool tool manual page
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    Creating pattern databases

    On this page

    This section describes how to create pattern databases in syslog-ng OSE.

    Updated: October 21, 2024

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    Using pattern parsers
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