User-agent: * 
Disallow: /admin/ 
Disallow: /contrib/ 
Disallow: /doc/ 
Disallow: /lib/ 
Disallow: /modules/ 
Disallow: /plugins/ 
Disallow: /scripts/ 
Disallow: /tmp/

# Spammer
User-agent: LinkWalker
Disallow: /

# archiver - no thanks
#User-agent: ia_archiver
#Disallow: /

# spammer
User-Agent: sitecheck.internetseer.com
Disallow: /

# company letting crawl the community: nono
User-agent: grub-client
Disallow: /