User-agent: DotBot
Disallow: /
User-agent: baiduspider+
Disallow: /
User-agent: yahoo-mmcrawler
Disallow: /
User-agent: psbot
Disallow: /
User-agent: asterias
Disallow: /
User-agent: *
Disallow: 
Crawl-delay: 5
User-agent: *
Disallow: /users.php
Disallow: /users.php/