User-agent: *
Disallow: /cgi-bin/
Disallow: /catalog

# Yandex
User-agent: yandex
Disallow: /

User-agent: Aport
Disallow: /

User-agent: StackRambler
Disallow: /

User-agent: rol.ru
Disallow: /

User-agent: mtu-net.ru
Disallow: /

# twiceler
User-agent: twiceler
Disallow: /