Alias /.well-known/acme-challenge/ /var/lib/dehydrated/challenges/

<Directory /var/lib/dehydrated/challenges>
  Options None
  AllowOverride None
  Header set Content-Type "application/jose+json"
  <IfModule mod_authz_core.c>
    # Apache 2.4
    Require all granted
  </IfModule>
  <IfModule !mod_authz_core.c>
    # Apache 2.2
    Order deny,allow
    Allow from all
  </IfModule>
</Directory>