$ python -c 'print "<policy-file-request/>"' | nc 127.0.0.1 843
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<!-- This is a master socket policy file -->
<!-- No other socket policies on the host will be permitted -->
<site-control permitted-cross-domain-policies="master-only"/>
<!-- Instead of setting to-ports="*", administrator's can use ranges and commas -->
<!-- This will allow access to ports 123, 456, 457 and 458 -->
<allow-access-from domain="*" to-ports="*" />
</cross-domain-policy>