User-agent: * 
Disallow: joomla/administrator/
Disallow: joomla/cache/
Disallow: joomla/components/
Disallow: joomla/editor/
Disallow: joomla/help/
Disallow: joomla/images/
Disallow: joomla/includes/
Disallow: joomla/language/
Disallow: joomla/mambots/
Disallow: joomla/media/
Disallow: joomla/modules/
Disallow: joomla/templates/
Disallow: joomla/installation/