source: https://perishablepress.com/stupid-htaccess-tricks/#sec3
This prevents publicly viewing resume files.
# Disable directory listing
Options -Indexes
# Option #2
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
Options All -Indexes
# Option #3
Options -Indexes
Order Allow,Deny
Deny from all