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Prem Radhakrishnan
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Socket Policy File / Server

May 3, 2013 10:36 AM

So after reading all the documentation , I believe that in order to use XMLSocket connections the policy file has to come from TCP and not HTTP , based on the l


"Strict socket rules

The primary change in support of the DNS hardening improvements in Flash Player 9,0,115,0 is the introduction of strict socket rules. These rules are:

  • A SWF file may no longer make a socket connection to its own domain without a socket policy file. Prior to version 9,0,115,0, a SWF file was permitted to make socket connections to ports 1024 or greater in its own domain without a policy file.
  • HTTP policy files may no longer be used to authorize socket connections. Prior to version 9,0,115,0, an HTTP policy file, served from the master location of /crossdomain.xml on port 80, could be used to authorize a socket connection to any port 1024 or greater on the same host.

These two rules can be summed up in a simple statement: under the strict socket rules, every socket connection requires permission from a socket policy file."


I have been looking all over the place to try to find some help on how to implement this on a Windows / IIS server and serve a file on port 843 . No luck so far ?


Some help please?


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