User-agent: dotbot 
Disallow: / 

User-agent: *
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /component/
Disallow: /editor/
Disallow: /help/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /plugins/
Disallow: /templates/
Disallow: /installation/
Disallow: /index2.php
Disallow: /option
Disallow: /tmp/
Disallow: /xmlrpc/