If you have a scanner on UNIX and you want to enable Message audit log for syslog, you must configure /etc/syslog.conf. This file provides administrators with a single point of management to collect, distribute, and process the log data. You can configure this file for the desired facility, log level, and the log file locations. Based on the facility level, the logs are directed to the different files.
Before you configure this file for the desired facility, you must check the settings in the /etc/syslog.conf file in your computer. This file may already have the settings for the facility that you want to configure.
To configure syslog.conf file for syslog facility settings
See Working with Logs.