User-agent: *
Disallow: /login
Disallow: /admin

#Bubing
User-agent: BUbiNG
Disallow: /

#Ahrefsbot
User-agent: AhrefsBot
Disallow: /

#Baiduspider
User-agent: Baiduspider
Disallow: /

#Yandex
User-agent: Yandex
Disallow: /

#Majestic
User-agent: MJ12bot
Disallow: /