AuthType Basic 
AuthName "Aguirrezabala" 
AuthUserFile /home/admin/web/aguirrezabala.simbel.com.ar/public_html/.htpasswd 
require valid-user

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /index.php/$1 [L]