User-agent: yandex
Disallow: /bitrix/
Disallow: /admin/
Disallow: /pbc_download/
Disallow: /prv_download/
Disallow: /search/
Disallow: /ru/
Disallow: /auth.php
Disallow: /feedback/response.php
Disallow: /index.php?
Host: www.500-0-500.ru

User-agent: *
Disallow: /bitrix/
Disallow: /admin/
Disallow: /pbc_download/
Disallow: /prv_download/
Disallow: /search/
Disallow: /ru/
Disallow: /auth.php
Disallow: /feedback/response.php
Disallow: /index.php?