Go to httpd.conf
Turn onvi /etc/httpd/conf/httpd.conf
ExtendedStatus On
It will show IP/whm-server-status<Location /whm-server-status>
SetHandler server-status
# Order deny,allow
# Deny from all
# Allow from 127.0.0.1 .example.com Your_Dedicated _IP
</Location>
To check this you can login to shell and execute