User-Agent: *
Allow: /

User-Agent: Googlebot
Allow: /

User-Agent: spambot
Disallow: /

User-Agent: spam bot
Disallow: /

User-Agent: Java
Disallow: /

User-Agent: YoudaoBot
Disallow: /

User-Agent: Baiduspider
Disallow: /

User-Agent: Sgrunt
Disallow: /

User-Agent: Gaisbot
Disallow: /

User-Agent: Sosospider
Disallow: /