User-agent: *
Disallow:

User-agent: twiceler
Disallow: /

User-agent: psbot
Disallow: /

User-Agent: Naverbot
Disallow: /

User-Agent:  YodaoBot
Disallow: /

User-Agent:  Sosospider
Disallow: /

User-Agent:  MJ12bot
Disallow: /

User-Agent:  sogou spider
Disallow: /

User-Agent:  Sogou web spider
Disallow: /

User-Agent:  msnbot
Disallow: /

User-Agent:  Ask Jeeves
Disallow: /

User-Agent:  Yahoo! Slurp
Disallow: /

User-Agent:  Yahoo Slurp
Disallow: /

User-Agent:  CamontSpider
Disallow: /

User-agent: YandexBot
Disallow: /

User-agent: QunarBot
Disallow: /