User-agent: Fasterfox
Disallow: /

User-agent: Slurp
Crawl-delay: 30

User-agent: msnbot
Crawl-delay: 20

User-agent: MJ12bot
Crawl-delay: 90

User-agent: BecomeBot
Crawl-Delay: 90

User-agent: Baiduspider
Crawl-Delay: 90

User-agent: YodaoBot
Disallow: /