Requesting blocking of directory browsing on following URL http(s)://<IPaddress>:28818 launch

In ZFP when you do https://ipaddress:28818 it takes you to the directory browsing page and further clicking on gives you information about the number of user connections.

Customer is concerned if the hacker gets to the url they would prove that a specific port is open and results in a directory browsing on the ZFP site.
Requesting to stop/ block directory browsing on the ZFP site for the url https://ipaddress:28818