.htaccess snippets

# Index Options

# bit.ly/index-options
IndexOptions IgnoreCase FancyIndexing FoldersFirst NameWidth=* DescriptionWidth=* SuppressHTMLPreamble

# Force Download

# Force download for these file types (case-insensitive)
# This is useful if you want to force download of media 
# files that the browser would otherwise attempt to play.
# Add whatever extensions you want (separated by pipes)
<FilesMatch \.(?i:zip|rar|psd|iso)$>
  ForceType application/octet-stream
  Header set Content-Disposition attachment
</FilesMatch>

References