Streaming radio being blocked by Antivirus???

Hi,

New to Astaro (v8.103), but fairly familiar with networking.  

Trying to listen to radio stream   
  710 ESPN Seattle Streaming

but it only works if I disable "Use Antivirus scanning" under Web Security | HTTP/S | Antivirus/Malware.  Using the default set of file extension blocking.

Not seeing anything in the logs that indicates why.  Anyone see something Im' not?

Thanks  [:S]

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