Syslog.FacilityTypes of messages
type t = | KERNKernel messages
*)| USERGeneric user-level message (default)
*)| MAILMail subsystem
*)| DAEMONSystem daemons without separate facility value
*)| AUTHSecurity/authorization messages (DEPRECATED, use AUTHPRIV)
*)| SYSLOGMessages generated internally by syslogd
*)| LPRLine printer subsystem
*)| NEWSUSENET news subsystem
*)| UUCPUUCP subsystem
*)| CRONClock daemon (cron and at)
*)| AUTHPRIVSecurity/authorization messages (private)
*)| FTPFTP daemon
*)| LOCAL0| LOCAL1| LOCAL2| LOCAL3| LOCAL4| LOCAL5| LOCAL6| LOCAL7LOCAL0-7 reserved for local use
*)