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Port Forwarding not working on my Duet Wifi

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  • undefined
    sLpFhaWK
    last edited by 17 Oct 2016, 14:08

    Is there a setting to turn it on, because I have it working on 2 raspberry pi's using octoprint with no issues. And it just refuses to connect.

    Sorry to ask such a simple question but since it's only relative to the Duet Wifi I figured I'd ask here. Thanks!

    -sLpFhaWK
    Ultibots K250v
    Rostock Max v2 Soon to be Full MetalMax
    Mini Kossel

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    • undefined
      peridot
      last edited by 17 Oct 2016, 22:48

      Uh, what do you mean by "port forwarding"?

      The Duet WiFi only responds to HTTP requests on port 80 from any host that can see it. One configuration some people use is a proxy running on a different machine, perhaps a raspberry pi, that accepts connections from the outside world and forwards them to the Duet WiFi. Are you talking about something like this? I haven't set it up, but I'd use SSH to connect from the outside host and use SSH's port forwarding to connect to the Duet; I have this working for other web services. I think it's also possible to use a proxy machine that translates some kind of authenticated HTTPS connection from the outside to an HTTP connection to the Duet.

      The Raspberry Pi is a full-fledged if wimpy Linux machine, so it supports HTTPS itself as well as SSH, which allows you to set up some kinds of port forwarding without using an extra machine. It is not capable of real-time work, so the Duet uses a 32-bit MCU which does not run Linux and provides rather limited network services.

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      • undefined
        Alex9779
        last edited by 18 Oct 2016, 08:43

        I have a similar issues, I can't access the Duet Wifi when I am logged in my VPN.
        VPN devices use a different subnet and are routed via the gateway.
        For me it seems the Duet does not use the gateway to send the data.
        One solution might be to use a reverse proxy but I didn't try yet…

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        • undefined
          dc42 administrators
          last edited by 18 Oct 2016, 09:19

          Currently, the Duet WiFi will always use the gateway address assigned to it by the router using DHCP. Do you need to set a different gateway address to get access via your VPN?

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

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          • undefined
            Alex9779
            last edited by 18 Oct 2016, 11:59

            Nope I don't need a different gateway, it is just that gateway, it does DHCP and the VPN (and a lot of other stuff).
            But from VPN I don't get a connection…

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            • undefined
              DjDemonD
              last edited by 18 Oct 2016, 12:40

              Possibly not relevant, but my router won't show the DuetWifi in the list of attached devices even when it is connected and functioning normally. But knowing its MAC address I can assign it to be allocated the same IP each time reliably.

              Simon. Precision Piezo Z-Probe Technology
              www.precisionpiezo.co.uk
              PT1000 cartridge sensors NOW IN, just attach to your Duet board directly!

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              • undefined
                Alex9779
                last edited by 18 Oct 2016, 13:12

                @DjDemonD:

                Possibly not relevant, but my router won't show the DuetWifi in the list of attached devices even when it is connected and functioning normally. But knowing its MAC address I can assign it to be allocated the same IP each time reliably.

                I can do the same, though the MAC address my router shows has nothing in common with the one I set in the config…

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                • undefined
                  peridot
                  last edited by 18 Oct 2016, 13:20

                  The Duet WiFi ignores the G-code network configuration; its network settings live aboard the ESP8266 board.

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                  • undefined
                    Alex9779
                    last edited by 18 Oct 2016, 13:25

                    @peridot:

                    The Duet WiFi ignores the G-code network configuration; its network settings live aboard the ESP8266 board.

                    Nice to know… I just changed the files which were on the SD whne it arrived, so I thought what was already in there would work...

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                    • undefined
                      dc42 administrators
                      last edited by 18 Oct 2016, 13:41

                      @Alex9779:

                      @peridot:

                      The Duet WiFi ignores the G-code network configuration; its network settings live aboard the ESP8266 board.

                      Nice to know… I just changed the files which were on the SD whne it arrived, so I thought what was already in there would work...

                      This and other known firmware issues are listed at https://duet3d.com/wiki/Pre-production_hardware_limitations_and_known_firmware_issues.

                      Duet WiFi hardware designer and firmware engineer
                      Please do not ask me for Duet support via PM or email, use the forum
                      http://www.escher3d.com, https://miscsolutions.wordpress.com

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                      • undefined
                        Alex9779
                        last edited by 18 Oct 2016, 13:47

                        This and other known firmware issues are listed at https://duet3d.com/wiki/Pre-production_ … are_issues.

                        Oh well, I read that page, I can't remember everything 😉

                        I am thinking how I can possibly analyse whats going on, but I have only "cheap and unmanaged" network switches so packet analyzing between "other" devices than my computer and the device is not possible…

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                        • undefined
                          Dfemi
                          last edited by 3 Oct 2017, 11:57 22 Feb 2017, 08:49

                          Guys, tell me please. I have a similar problem, but it appeared just after I tried to change my ip to another. The question is whether the fault be a proxy server?

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