User-agent: *
Disallow:

User-agent: METASpider
Disallow:

User-agent: BigMirSpider
Disallow:

User-agent: googlebot
Disallow:

User-agent: Yandex
Disallow:

User-agent: StackRambler
Disallow:

User-agent: Aport
Disallow:

User-agent: BigMirSpider
Disallow: