User-agent: Yandex
Allow: /

User-agent: Googlebot
Allow: /

User-agent: Googlebot-Image

Disallow: / 

User-agent: Slurp    //For yahoo bot
Disallow: /

User-agent: msnbot  // For MSN bot
Disallow: /

User-agent: ArchitextSpider  //For Exite bot
Disallow: /

User-agent: FAST //For Alltheweb bot
Disallow: /

User-agent: Scooter  //For Altavista Bot
Disallow: /

User-agent: ia_archiver //For Alexa Bot
Disallow: /