The point of 404 and other standard error pages is to show the problem, not hide it. Apache has a small standard set of them. Your server may allow you to use your own custom error pages, but the general response you will face (from support and from the experienced) if you try to nullify error pages is amusement. You might as well ask how you can hide your license plates at the wrong times, or how your ambulance service can defeat all of the emergency lighting and siren switches. With custom error pages you can provide a link to where you would like people to end up (or restart), and you can tailor what they're shown about the error. Servers' own customized error pages often advertize their own services and rates ("Surprise, this is a booboo page, the website you're visiting just blew it, but, lo, we host it and you, too, can sign up right here!"). Yours doesn't have to attempt to do that.