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    Double NAT Port Forwarding Problem

    Scheduled Pinned Locked Moved NAT
    6 Posts 2 Posters 1.2k Views
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    • V
      vandyke1906
      last edited by

      Hello guys, i have an issue with double NAT port forwading,  my pfsense is connected to the ISP router which i have limited access on it. can anyone advise me how to set up port forwarding in double NAT. thanks in advance.
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      • DerelictD
        Derelict LAYER 8 Netgate
        last edited by

        The ISP router has to forward to you, then you need to forward that to the inside.

        Chattanooga, Tennessee, USA
        A comprehensive network diagram is worth 10,000 words and 15 conference calls.
        DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
        Do Not Chat For Help! NO_WAN_EGRESS(TM)

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        • V
          vandyke1906
          last edited by

          in my ISP router, i configure the port forwarding DMZ pointed to my pfsense but still ports are close.

          ![PORT FORWARD.JPG](/public/imported_attachments/1/PORT FORWARD.JPG)
          ![PORT FORWARD.JPG_thumb](/public/imported_attachments/1/PORT FORWARD.JPG_thumb)

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          • DerelictD
            Derelict LAYER 8 Netgate
            last edited by

            That all looks fine. First thing I would do is packet captire on WAN on port 8090 and try a couple connections. You should see TCP SYNs arriving.

            Other than that: https://doc.pfsense.org/index.php/Port_Forward_Troubleshooting

            When port forwards fail it is almost always something on that list. Check it all.

            Chattanooga, Tennessee, USA
            A comprehensive network diagram is worth 10,000 words and 15 conference calls.
            DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
            Do Not Chat For Help! NO_WAN_EGRESS(TM)

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            • V
              vandyke1906
              last edited by

              noted. i will try to check the packet capture. btw, i tried to test from inside the local network and it is working but  after checking from an outside machine it doesnt work and port also closed.

              ![inside network.JPG](/public/imported_attachments/1/inside network.JPG)
              ![inside network.JPG_thumb](/public/imported_attachments/1/inside network.JPG_thumb)
              ![port check.JPG](/public/imported_attachments/1/port check.JPG)
              ![port check.JPG_thumb](/public/imported_attachments/1/port check.JPG_thumb)

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              • V
                vandyke1906
                last edited by

                i solved the issue. i just added the server in my captive portal to access the internet that i was trying to port forward.  thanks Derelict.

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