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Let us say , I have a home router which have

LAN port : 192.168.0.1
WAN port : 10.137.141.195

Now , When I do 192.1768.0.1:80 , I am able to open the admin page but when I do 10.137.141.195:80 , I am not able to do it. Why ?

EDIT : This is how my home router is :

                WAN
                |
                |
                |
                |
            Router 1 (my ISP Set it up)
            /              \
           /                \
          /                 My Router (It is connected by WAN port to Router 1)
        Some connection1     |
                             |
                             |
                             My computer (connected at LAN)
10
  • Are you trying to open this page from inside or outside of your local network?
    – DavidPostill
    Aug 20, 2019 at 19:23
  • @DavidPostill From inside I tried to open , but I am curious to open it from outside too but for that I don't have access . :)
    – Number945
    Aug 20, 2019 at 19:30
  • 2
    Accessing the router public IP from your private network will only work if your router supports NAT Reflection/NAT Loopback/NAT Hairpinning. Most consumer grade routers don't.
    – DavidPostill
    Aug 20, 2019 at 19:30
  • @DavidPostill , I have added more details. Please have a look. In this scenario , I dnt think we need NAT hairpinning. In short , it is behind another router set up by ISP in my building and each person buys a connection from them.
    – Number945
    Aug 20, 2019 at 19:59
  • 1
    I disagree.......
    – DavidPostill
    Aug 20, 2019 at 20:00

1 Answer 1

1

You need several things for this to work, and all of them are unavailable or not well defined on a consumer router

  • NAT Hair-pinning. The router needs to understand that you are using it as a NAT gateway, but you want an internal resource. This probably isn't an option.
  • Depending on how your router handles 'local' traffic, you may need to enable the Admin portal from the WAN side. The admin portal is probably disabled by default on the WAN side for security reasons. 'Local' traffic is traffic arriving to the router that is destine for any IP address owned by the router. It is usually subject to special rules.
  • Port forward port 80 to the router's LAN IP.

Try all of these. You might get lucky.

Note: Do not do either of the latter two things on an internet exposed router. Its a major security issue.

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