How to allow returning traffic?

  • Hi Friends,

    I have a problem in finding the right rule for going out with traffic over the dyndns and returning into my network again. It is always blocked.

    System>Advanced, Firewall/NAT, check " Bypass firewall rules for traffic on the same interface " don't solve my problem

    I want to leave from 192.168.1.x or 192.168.2.x and go back over dyndns or my ip into one of the two networks.

    What settings are needed to do that?

    Thanks for your help!

  • I just worked on this exact problem.  First under system/advanced put a check in "Disable DNS Rebinding Checks"
    Then under system/firewall/nat put a check in Enable NAT Reflection for 1:1 NAT

    Thanks Gord

  • Hi Gordc,

    thanks for your help

    but no success :(. Is there anything else to mark or forward?

  • In short words you want to access your real IP from inside.
    Possible only if Zyxel supports NAT reflection.

  • Hmm the zyxel only works as a modem. So it should not affect that I think?! I will have a look at it tomorrow.

    1. so I now found the right way…

    System -> Advanced -> Firewall and NAT

    Then go down to: NAT Reflection mode for port forwards

    And turn it on with: "Enable (Nat + Proxy)"

    Hope this helps anyone!


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