public/crossdomain.xml
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy
SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<site-control permitted-cross-domain-policies="all" />
<allow-access-from domain="*" secure="false" />
<allow-http-request-headers-from domain="*" headers="*" secure="false" />
</cross-domain-policy>