User-agent: Foobot
Disallow: /

User-agent: SimilarPages
Disallow: /

User-agent: SimilarPages*
Disallow: /

User-agent: SimilarPages Nutch Crawler
Disallow: /

User-agent: SimilarPages/Nutch-1.0-dev
Disallow: /

User-agent: * 
Disallow: /admin/ 
Disallow: /contrib/ 
Disallow: /doc/ 
Disallow: /lib/ 
Disallow: /modules/ 
Disallow: /plugins/ 
Disallow: /scripts/ 
Disallow: /tmp/
Disallow: /wiki/