User-agent: Slurp
Disallow: /

User-agent: Nutch
Disallow: /

User-agent: robot
Disallow: /

User-agent: Alexa
Disallow: /fn/

User-agent: spider
Disallow: /

User-agent: Googlebot
Disallow:

User-agent: Mediapartners-Google* 
Disallow:

User-agent: MSNBot
Allow: /