Depending on what system is used for log processing either /etc/syslog.conf or /etc/rsyslog.conf will be the logging configuration file.
Check /etc/syslog.conf or /etc/rsyslog.conf and verify the authpriv facility is logging both the "notice" and "info" priority messages.
Procedure:
For a given action all messages of a higher severity or "priority" are logged. The three lowest priorities in ascending order are "debug", "info" and "notice". A priority of "info" will include "notice". A priority of "debug" includes both "info" and "notice".
Enter/Input for syslog:
# grep "authpriv.debug" /etc/syslog.conf
# grep "authpriv.info" /etc/syslog.conf
# grep "authpriv\.\*" /etc/syslog.conf
Enter/Input for rsyslog:
# grep "authpriv.debug" /etc/rsyslog.conf
# grep "authpriv.info" /etc/rsyslog.conf
# grep "authpriv\.\*" /etc/rsyslog.conf
If an "authpriv.*", "authpriv.debug", or "authpriv.info" entry is not found, this is a finding.