User-agent: Googlebot
User-agent: googlebot-image
User-agent: googlebot-mobile
User-agent: Bing
User-agent: BingBot
User-agent: MSNBot
User-agent: Slurp
User-agent: yahoo-mmcrawler
User-agent: facebookexternalhit
User-agent: coccoc

User-agent: *
Disallow: