User-agent: *
Disallow: login.php
Disallow: syndicate.php
Disallow: welcome.php

User-agent: Yandex
Disallow: /

User-agent: RADaR-Bot
Disallow: /

User-agent: Exabot
Disallow: /

User-agent: atraxbot
Disallow: /

User-agent: Twiceler
Disallow: /