Scripts/clientaccesspolicy.xml

<?xml version="1.0" encoding="utf-8"?>
<access-policy>
  <cross-domain-access>
    <policy>
      <allow-from http-request-headers="*">
        <domain uri="*" />
        <domain uri="http://*" />
      </allow-from>
      <grant-to>
        <resource path="/packages" include-subpaths="true"/>
        <resource path="/downloads" include-subpaths="true"/>
      </grant-to>
    </policy>
  </cross-domain-access>
</access-policy>