ErrorDocument 403 /owncloud/core/templates/403.php
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 512M
<IfModule env_module>
    SetEnv htaccessWorking true
</IfModule>
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteRule .* - [env=HTTP_AUTHORIZATION: %{HTTP:Authorization}]
RewriteRule ^.well-known/host-meta /public.php?service=host-meta [QSA,L]
RewriteRule ^.well-known/carddav /remote.php/carddav/ [R]
RewriteRule ^.well-known/caldav /remote.php/caldav/ [R]
RewriteRule ^apps/([^/]*)/(.*\.(css|php))$ index. php?app=$1&getfile=$2 [QSA,L]
RewriteRule ^remote/(.*) remote.php [QSA,L]
</IfModule>
Options =Indexes