User-agent: Baiduspider
Disallow: /
User-agent: yahoospider
Disallow: /
User-agent: sougouspider
Disallow: /
User-agent: Googlebot
Disallow: /
User-agent: YodaoBot
Disallow: /
User-agent: Msnbot
Disallow: /
User-agent: Sosospider
Disallow: /