> if there is an entry relating to message loggin to messages log/console it will override the default of *.info
Well, it is a bit dirrerent.
If you create custom syslog.conf file, syslogd works like that on other UNIX/Linux OS.
No line of /dev/console destination in syslog.conf, log output of console is completely disabled. Or, if /dev/console output is defined with other facility, syslog follows as it is.