User-agent: * 
Disallow: /cgi-bin
Disallow: /images
Disallow: *.temp
Disallow: *.tmp
Disallow: *.old
Disallow: *.bak
Disallow: *.back
Disallow: *.html.bak
Disallow: *.html.back
Disallow: *.html.tmp
Disallow: *.html.temp