User-agent: Googlebot
User-agent: MSNBot
User-agent: Slurp
User-agent: AskJeeves
User-agent: gsa-crawler
User-agent: mps-crawler
User-agent: Mediapartners-Google
User-agent: AMS iBot
Crawl-delay: 20
Disallow: 

User-agent: *
Disallow: /