User-agent: Yeti
Allow: /
Disallow: /Admin

User-agent: Googlebot
Allow: /
Disallow: /Admin

User-agent: bingbot
Crawl-delay: 30
Disallow: /Admin

User-agent: facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
Allow: /
Disallow: /Admin

User-agent: *
Disallow: /