File _service of Package virtualbox-guest-tools-iso

<services>
  <service name="download_url">
    <param name="path">/virtualbox/7.0.18/VBoxGuestAdditions_7.0.18.iso</param>
    <param name="protocol">http</param>
    <param name="host">download.virtualbox.org</param>
  </service>
</services>