User-agent: Googlebot
Disallow: 

User-agent: MSNBot
Disallow: 

User-agent: Slurp
Disallow: 
 
User-agent: twiceler
Disallow: /

User-agent: baiduspider
Disallow: /

User-agent: naverbot
Disallow: /

User-agent: yeti
Disallow: /