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Gabreil's avatar
Gabreil
Aspirant
May 11, 2020
Solved

Can't port forward

Hello, for the past year or so I've been trying to port forward the port 25565 to host a dedicated Minecraft server for me and my friends. I was always able to join with my local ipv4 address but my ...
  • antinode's avatar
    antinode
    May 13, 2020

    > If you look at the picture I uploaded, you can see that the question
    > "Does your Internet connection require a login?" is answered No. [...]

     

       That's an argument between you and your ISP.  If you have Internet
    access, then that's not the problem.

     

       But, while we're looking at that picture...

     

    >       https://community.netgear.com/t5/x/x/m-p/1859106

     

    >    Does the IP address of the WAN/Internet interface of your router
    > match what you're using as your public IP address from the outside
    > world?  ADVANCED > ADVANCED Home : Internet Port : Internet IP Address

     

       BASIC > Internet : Internet IP Address : IP Address (as shown in your
    picture) provides the same critical fact: 100.68.<blur>.<blur>.  Plug
    that address into the form at: https://whois.arin.net/ .

     

       As you can see, that's not a public IP address.  My guess would be
    that your ISP is using carrier-grade NAT, and that's defeating your
    attempts at port forwarding.

     

          https://en.wikipedia.org/wiki/Carrier-grade_NAT

     

       The only solutions I know are: 1) to ask your ISP for a real public
    address (for which they might charge more), or 2) to use a tunneling
    service like the one mentioned in another thread (near the end):

     

          https://community.netgear.com/t5/x/x/m-p/1748431

     

    Some ISPs do not permit servers for residential customers, but I'm
    confident that they'll tell you that if you ask.