User-agent: *
Disallow: /cgi-bin/
Crawl-delay: 20

User-agent: googlebot
Crawl-delay: 20

User-agent: msnbot
Crawl-Delay: 20

User-agent: Slurp
Crawl-delay: 20

User-agent: twiceler
Crawl-delay: 300

User-agent: cuil
Crawl-delay: 20

User-agent: Yandex
Disallow: /