An example of a clientaccesspolicy.xml
<?xml version="1.0" encoding="utf-8"?>
<access-policy>
<cross-domain-access>
<policy>
<allow-from http-request-headers="\*">
<domain uri="\*"/>
</allow-from>
<grant-to>
<resource path="/" include-subpaths="true"/>
</grant-to>
</policy>
</cross-domain-access>
</access-policy>
An example of a crossdomain.xml
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "[http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd](http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd)">
<cross-domain-policy>
<allow-http-request-headers-from domain="\*" headers="\*"/>
</cross-domain-policy>
For more info you can read this weblog post.