DirectoryIndex index.php
Options -Indexes

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP:Authorization} .
    RewriteRule ^ - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^ index.php [L,QSA]
</IfModule>
