Options -Indexes
ErrorDocument 404 /data/404.php
ErrorDocument 403 /data/403.php
ErrorDocument 500 /data/500.php

# Protect config.php from direct access
<Files "config.php">
    <IfModule mod_authz_core.c>
        Require all denied
    </IfModule>
    <IfModule !mod_authz_core.c>
        Order deny,allow
        Deny from all
    </IfModule>
</Files>