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How can i setup on my ZTE modem a server on the DMZ all ports are stills locked

I m struggling to setup a server to my DMZ, the instructions are telling that the APN of the router has to setup in , when i go to this APN section and i m struggling to setup this , there is no APPLY button and at the bottom they are telling "The setting can only be changed when the modem is disconnected. "
So what should i do to disconnet th modem from where ?

Same thing if i wanted to setup the modem to LTE bridge mode ... i was able to setup up all this when i had and adsl Zyxel

Any advice ?
I have tried the port forwarding it not working neither ...


  • Hi Eugene,

    you wrote here above; please try
    You should be able to disconnect your modem when you go to the settings page, then choose "own modem" and disable 4G there.

    Regarding the ports,  at this page you can find a list about allowed and blocked ports; so please check here:  (Estetyt portit means blocked ports)
    DNA Linda Customer Consultant
  • hi again
    it was a mistake on the post i had tried still the server in the DMZ is not going to internet BUT the login page of the modem was in the public place.

    This is not what the docs are saying and unless i m wrong this is a security BREACH for the ZTE modem.

    I want to put my 192.168.X.X to the DMZ not my modem login page :

    nmap 178.55.204.XXXX
    Starting Nmap 7.70 ( ) at 2019-08-02 11:49 EDT
    Nmap scan report for (178.55.204.XXX)
    Host is up (0.0018s latency).
    Not shown: 997 closed ports
    53/tcp open domain
    80/tcp open http
    10010/tcp open rxapi

    curl 178.55.204.XXX
    This document has moved to a new <a href="http://178.55.204.XXX/index.html">location</a>.
    Please update your documents to reflect the new location.

    And i suppose that every DNA user who is using the will see his modem page to the internet
    Is this a normal behavior ?

  • "The setting can only be changed when the modem is disconnected."
    "Um diese Einstellung zu ändern, muss die Verbindung zuerst getrennt werden."
    "Le impostazioni possono essere modificate solamente con il dispositivo disconnesso dalla rete."

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