User-agent: *
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /images/
Disallow: /includes/
Disallow: /installation/
Disallow: /language/
Disallow: /libraries/
Disallow: /media/
Disallow: /modules/
Disallow: /plugins/
Disallow: /templates/
Disallow: /tmp/
Disallow: /xmlrpc/

User-agent: ia_archiver
Disallow: /

# slow down Yahoo
User-agent: Slurp
Crawl-delay: 10
User-agent: Googlebot
Crawl-delay: 12
User-agent: twiceler
Crawl-delay: 20
User-agent: BecomeBot
Disallow: * 
User-agent: msnbot
Crawl-delay: 20
User-agent: YodaoBot
Crawl-delay: 33