<?xml version=“1.0”?> <!DOCTYPE cross-domain-policy SYSTEM “www.adobe.com/xml/dtds/cross-domain-policy.dtd”> <cross-domain-policy>

<!– Read this: www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html –>

<!– Most restrictive policy: –>

<site-control permitted-cross-domain-policies="none"/>

<!– Least restrictive policy: –> <!–

<site-control permitted-cross-domain-policies="all"/>
<allow-access-from domain="*" to-ports="*" secure="false"/>
<allow-http-request-headers-from domain="*" headers="*" secure="false"/>

–> <!–

If you host a crossdomain.xml file with allow-access-from domain="*"
and don’t understand all of the points described here, you probably
have a nasty security vulnerability. ~ simon willison

–>

</cross-domain-policy>