User-agent: Exabot
Crawl-delay: 120
User-agent: msnbot
Crawl-delay: 10
User-agent: bingbot
Crawl-delay: 10
User-Agent: MJ12bot
Crawl-Delay: 120
User-agent: Speedy
Crawl-Delay: 120
User-agent: proximic
Crawl-delay: 120
User-agent: Slurp
Crawl-delay: 220

User-agent: *
Disallow: /registro_usuario.php?r=