Note that besides all their indications, for CloudFlare "down" means returning some specific HTTP error codes, not that the server itself is down (as in "comple

Note that besides all their indications, for CloudFlare "down" means returning some specific HTTP error codes, not that the server itself is down (as in "completely unresponsive" or not running), I was burnt by this and they actually changed the wording in their documents when I pointed it out.