This file specifies rules for logging.
Every rule consists of two fields, a selector field and an action field.
These two fields are separated by one or more spaces or tabs. The selector field specifies a pattern of facilities and priorities belonging to the specified action. This release of syslogd is able to understand an extended syntax. Both parts are case insensitive and can also be specified as decimal numbers, but don't do that, you have been warned. The keyword security should not be used anymore and mark is only for internal use and therefore should not be used in applications.