syslog-ng Open Source Edition 3.16 - Release Notes

osquery: Sending log messages to osquery's syslog table

osquery: Sending log messages to osquery's syslog table

The osquery() driver sends log messages to osquery's syslog table.

The syslog table contains logs forwarded over a named pipe from syslog-ng. When an osquery process that supports the syslog table starts up, it creates (and properly sets permissions for) a named pipe for syslog-ng to write to.

Example: Using the osquery() destination driver

Run osqueryi:

osqueryi --enable_syslog
         --disable-events=false

To store the database on disk:

osqueryi --enable_syslog
         --disable-events=false
         --database_path=/tmp/osquery.db

To set up a custom named pipe:

osqueryi --enable_syslog
         --disable-events=false
         --database_path=/tmp/osquery.db
         --syslog_pipe_path=/tmp/osq.pipe

Example configuration:

@version: 3.12
@include "scl.conf"

source s_net {
  network(port(5514));
};

destination d_osquery {
  # custom pipe path:
  #osquery(pipe("/tmp/osq.pipe"));

  # backup outgoing logs:
  #osquery(file("/var/log/osquery_inserts.log" template(t_osquery)));

  # defaults
  osquery();
};

log {
 source(s_net);
 destination(d_osquery);
 flags(flow-control);
};

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