User-agent: Googlebot
Disallow: 

User-agent: Bingbot
Disallow: 

User-agent: MSNBot
Disallow: 

User-agent: BingPreview
Disallow: 

User-agent: Slurp
Disallow: 

User-agent: Adidxbot
Disallow: 

User-agent: *
Disallow: