Does this help?
http://www.jeffryhouser.com/index.cfm/2008/8/12/Fixing-your-CrossDomainxml-File
Or the source article:
http://www.adobe.com/go/strict_policy_files
Wally Kolcz wrote:
I have a site (http://www2.med.umich.edu/prmc/af/) that had an old
crossdomain.xml file that worked fine until FP10. It works fine when
visiting from that URL since it on the same server, however, we also
have this domain (http://www.victorsvaliant.org/af/) pointing to it
also and I get a security error when the video is played. How can I
modifiy my crossdomain.xml file to allow for both? Here is my current.
I need to have this done today since the new URL went public. Thanks!
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM
"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<site-control permitted-cross-domain-policies="all" />
</cross-domain-policy>
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