User-agent: baiduspider
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: NaverBot
Disallow: /

User-agent: Yodaobot
Disallow: /

User-agent: YodaoBot
Disallow: /

User-agent: yodaobot
Disallow: /

User-agent: ScSpider
Disallow: /