# Apache 2.2
<IfModule !mod_authz_core.c>
    Order deny,allow
    Deny from all
    <Files "difficult_areas.csv">
        Allow from all
    </Files>
</IfModule>

# Apache 2.4
<IfModule mod_authz_core.c>
    Require all denied
    <Files "difficult_areas.csv">
        Require all granted
    </Files>
</IfModule>