User-agent: Googlebot
Disallow:

User-agent: Bingbot
Disallow:

User-agent: *
Disallow: /

User-agent: Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
Disallow:

User-agent: Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
Disallow: