User-agent: *
Disallow: /

User-agent: Googlebot
Disallow: 

User-agent: Googlebot
Disallow: /*?

User-agent: Googlebot
Disallow: /?

User-agent: Googlebot
Disallow: /modify/

User-agent: msnbot
Disallow: 

User-agent: msnbot
Disallow: /modify/

User-agent: msnbot
Disallow: /*?

User-agent: msnbot
Disallow: /?