PHP-FPM, PHP Powered-By headers are exposed by default.
But you may need to hide PHP headers suchX-Powered-By
andX-CF-Powered-By
to limit server information exposed to the public.
This is one of the security mechanism
This procedure is available on Artica 4.30x Service Pack 579
After finish, click on “Apply parameters to the system” button to make header in production mode