Block of Certain PHP Files NGINX

Hi Good Morning, I just want to ask some help about the Block of Certain PHP Files Hardening, I try to click the Check hardening but it will only give this pop-up issues “SUCURI:?Read the official WordPress guidelines to learn how to restrict access to PHP files in sensitive directories –?Nginx Global Restrictions For WordPress” I try to ask the hosting support and they need the exactly rules that u want to be added on the server?