User-agent: *
Disallow: /index.php?*

User-agent: msnbot
Disallow: /index.php?*

User-agent: googlebot
Disallow: /index.php?*

User-agent: slurp
Disallow: /index.php?*

User-agent: turnitinbot
Disallow: /

User-agent: baiduspider
Disallow: /