User-agent: asterias
Disallow: /

User-agent: ia_archiver 
Disallow: / 

User-agent: DIIbot 
Disallow: / 

User-agent: LinkWalker 
Disallow: /

# Copyright Infringement http://www.baytsp.com/ 
User-agent: BaySpider 
Disallow: / 

# Genealogy SE http://www.GenDoor.com/crawler.html 
User-agent: GenCrawler 
Disallow: / 

# http://www.gozilla.com/ 
User-agent: Go!Zilla 
Disallow: / 

# Bad Links 
User-agent: Linkidator 
Disallow: / 

# Bad Links http://www.elsop.com/linkscan/overview.html 
User-agent: LinkScan 
Disallow: / 

# Link Checking http://www.linkguard.com/ 
User-agent: LinkGuard 
Disallow: /