User-agent: *
Disallow: /bitrix/
Disallow: /admin/
Disallow: /upload/
Disallow: /img/
Disallow: /images/
Disallow: /service/
Disallow: /livezilla/
Disallow: /blowfish/

User-agent: Yandex
Disallow:
Clean-param: register
Clean-param: auth
Clean-param: backurl
Clean-param: PAGE_NAME
Clean-param: order
Clean-param: set_filter
Clean-param: arrFilter
Clean-param: ACTION
Clean-param: el_id
Clean-param: back_url
Clean-param: sec_id
Clean-param: x
Clean-param: y
Clean-param: r2
Clean-param: r1