allowing index access only with .htaccess

Question

Hello

I have this in my .htaccess file, in the site root:

Options -Indexes
<directory ../.*>
Deny from all
</directory> 

<Files .htaccess>
order allow,deny
deny from all
</Files>

<Files index.php>
Order allow,deny
allow from all
</Files> 

What I'm trying to achieve is to block folder and file access to anything that isn't called index.php, regardless of which directory is accessed. I have the folder part working perfectly and the deny from all rule is working as well - but my attempt to allow access to index.php is failing.

Basically could someone tell me how to get it working?