User-agent: dotbot 
Disallow: / 
User-agent: Dolphin
Disallow: /
User-agent: Slurp
Disallow: /
User-agent: Teoma
Disallow: /
User-agent: twiceler
Disallow: /
User-agent: Gigabot
Disallow: /
User-agent: Scrubby
Disallow: /
User-agent: baiduspider
Disallow: /
User-agent: naverbot
Disallow: /
User-agent: yeti
Disallow: /
User-agent: *
Disallow: