FreeBSD syslogd
From wikinotes
The system used by FreeBSD to manage logs.
Documentation
FreeBSD handbook https://people.freebsd.org/~rodrigc/doc/handbook/configtuning-syslog.html man syslogd
https://www.freebsd.org/cgi/man.cgi?query=syslogd man syslogd.conf
https://www.freebsd.org/cgi/man.cgi?query=syslog.conf