ErrorDocument 404 /owncloud/core/templates/404.php
<IfModule mod_php5.c>
php_value upload_max_filesize 512M
php_value post_max_size 512M
php_value memory_limit 128M
SetEnv htaccessWorking true
</IfModule>
<IfModule !mod_php5.c>
RewriteEngine on
RewriteRule .* - [env=HTTP_AUTHORIZATION:%{HTTP:Authorization},last]
</IfModule>
Options -Indexes