User-agent: GoogleBot
Disallow:

User-agent: MSNBot
Disallow:

User-agent: Slurp
Disallow:

User-agent: IconSurf
Disallow: /

User-agent: BecomeBot
Disallow: /

# OmniExplorer BOT uses a bad way (non compliant) of disallowing
# the crawl.
User-Agent: OmniExplorer_Bot/1.09
Disallow: *

User-agent: *
Disallow: /