User-agent: Yeti
Disallow: /

User-agent: baiduspider
Disallow: 
Crawl-delay: 60

User-agent: YodaoBot
Disallow: /
Crawl-delay: 600

User-agent: NaverBot
Disallow:
Crawl-delay: 180

User-agent: BecomeBot
Disallow:
Crawl-delay: 600

User-agent: QihooBot
Disallow:
Crawl-delay: 600

User-Agent: MJ12bot
Crawl-Delay: 180 

User-agent: *
Disallow:
Crawl-delay: 60