User-agent: *
Disallow: /

User-agent: Googlebot
Disallow: /

User-agent: Googlebot-Image
Disallow: /

User-agent: Googlebot-Mobile
Disallow: /

User-agent: Slurp
Disallow: /

User-agent: yahoo-MMCrawler 
User-agent: yahoo-MMCrawler/3.x 
Disallow: / 

User-agent: msnbot
Disallow: /
 
User-agent: psbot
Disallow: /