User-agent: *
Disallow: /file/
Disallow: /usage/
Disallow: /board/
Disallow: /event/
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.png$
Disallow: /*.hwp$
Disallow: /*.xls$
Disallow: /*.xlsx$
Disallow: /*.doc$
Disallow: /*.docx$
Disallow: /*.ppt$
Disallow: /*.pptx$
Disallow: /*.pdf$
Disallow: /*.wmv$
Disallow: /*.asf$
Disallow: /*.flv$