# /robots.txt
User-agent: Googlebot
Disallow:
User-agent: Slurp
Disallow:
User-agent: msnbot
Disallow: /
User-agent: webcrawler
Disallow: /
User-agent: ilse
Disallow: /
User-agent: IRLbot 
Disallow: /
User-agent: *
Disallow: /