Parent Directory Index Of Private Images Install Here
<FilesMatch "^(install|config|setup).*"> Require all denied </FilesMatch> Nginx does not enable autoindex by default, but if you have it on, turn it off.
location ^~ /private-images autoindex off; deny all; parent directory index of private images install
The solution is trivial: It takes ten seconds to add Options -Indexes or autoindex off . It takes a lifetime to recover from a leaked private image. <FilesMatch "^(install|config|setup)
location / autoindex off;