Define disable_symlinks nginx config rule globally

etc/nginx/nginx.conf

@@ -35,6 +35,7 @@ http {
 	port_in_redirect off;
 	charset UTF-8;
 	index index.html index.htm index.php index.hosting.html;
+	disable_symlinks if_not_owner;
 
 	include /etc/nginx/mime.types;
 	default_type application/octet-stream;