User-agent: baiduspider
Disallow: /_admin/

User-agent: Googlebot
Disallow: /_admin/

User-agent: msnbot
Disallow: /_admin/

User-agent: naverbot
Disallow: /_admin/

User-agent: seznambot
Disallow: /_admin/

User-agent: Slurp
Disallow: /_admin/

User-agent: teoma
Disallow: /_admin/

User-agent: twiceler
Disallow: /_admin/

User-agent: Yandex
Disallow: /_admin/

User-agent: *
Disallow: /_admin/