RewriteCond %{HTTP_HOST} ^tunombrededominio.com [NC]
RewriteRule (.*) http://www.tunombrededominio/$1 [R=301,L,QSA]
define('DISALLOW_FILE_EDIT', true); define('DISALLOW_FILE_MODS', true);
RewriteCond %{HTTP_HOST} ^tunombrededominio.com [NC]
RewriteRule (.*) http://www.tunombrededominio/$1 [R=301,L,QSA]