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    SSDP forwarding/proxying

    General pfSense Questions
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    • K
      ktims last edited by

      I have a media server on my wired LAN, and one my media extenders is on the wireless LAN. For security reasons I have the two separated and firewalled, but I would like the extender to see the UPnP SSDP annoucements from the media server as there's no manual facility to enter HTTP media servers. Is this possible?

      It looks like the media server software sends some traffic to 239.255.255.250:1900, and I'm thinking it would work fine to just mirror the traffic verbatim out the WLAN interface; it contains hostnames that will resolve on either side and my rules will allow the traffic. Ideas?

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      • W
        wonslung last edited by

        are the two on seperate subnets?

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        • K
          ktims last edited by

          Yes, that's the issue ;)

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          • GruensFroeschli
            GruensFroeschli last edited by

            Afaik the announcement of the UPnP service is being done via a broadcast.

            At least if i connect an UPnP capable device in a different subnet to my switch.
            ie:
            Network: 172.17.10.0/24
            Device 192.168.10.10/24
            Then a UPnP "client" can see that UPnP device, but cannot communicate with it due to the different subnet.

            Since you already have a pfSense between the two subnets i imagine it would be enough if you had some kind of "broadcast proxy".
            I'm personally interested to get something like this going, but i just haven't found the time to get started on it.
            Someone already did some work on this:
            http://www.vttoth.com/tunnel.htm#Appendix

            We do what we must, because we can.

            Asking questions the smart way: http://www.catb.org/esr/faqs/smart-questions.html

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            • K
              ktims last edited by

              Thanks very much for that, this code seems to be very similar to what I need (though it's pretty trivial anyway). I guess I will just write something similar from scratch.

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