free_x

Я написал вот так:

User-agent: *

Disallow: /administrator/

Disallow: /cache/

Disallow: /components/

Disallow: /editor/

Disallow: /help/

Disallow: /images/

Disallow: /includes/

Disallow: /language/

Disallow: /mambots/

Disallow: /media/

Disallow: /modules/

Disallow: /templates/

Disallow: /installation/

User-agent: Yandex

Disallow: /administrator/

Disallow: /cache/

Disallow: /components/

Disallow: /editor/

Disallow: /help/

Disallow: /images/

Disallow: /includes/

Disallow: /language/

Disallow: /mambots/

Disallow: /media/

Disallow: /modules/

Disallow: /templates/

Disallow: /installation/

Host: www.myrost.com

Правильно?!