A
Admincraftβ€’3mo ago
lianne

I can join the minecraft server ive build but my friends can not, how do i fix this

Ive build a server, it is up and running but my friends can not join, ive done port forwarding right i think, but still nobody can join, anyone know how to overcome this
7 Replies
ProGamingDk
ProGamingDkβ€’3mo ago
!cgnat
Carl-bot
Carl-botβ€’3mo ago
We may have bad news for you :C You may be under a CGNAT which is a method that ISP's use to conserve IPV4 IP's due to how limited they are now. What this means in plain terms is that your IP address is being shared with other people as your router goes to the ISP's router, by default this means port forwarding doesn't work. We need to check if you are under a CGNAT and we got 2 options. Option 1: commands Depending on your OS, run the following command: - Windows: iex (Invoke-RestMethod -Uri "https://raw.githubusercontent.com/DominicTWHV/Is-It-CGNAT/refs/heads/main/windows.ps1") - Linux: curl -s https://raw.githubusercontent.com/DominicTWHV/Is-It-CGNAT/refs/heads/main/linux.sh | bash -# You should never run such things without reviewing and understanding the code Option 2: manually Open your router's configuration interface. Somewhere, you'll see something like 'external' or 'public' IP. If your external IP is in one of the following ranges, you're basically screwed as long as port forwards go: - 10.0.0.0/8 - 172.16.0.0/20 - 192.168.0.0/16 - 100.64.0.0/10 - any IPv6 address/range - This shouldn't be a problem, but Minecraft's IPv6 support is still rather quirky. You're at your own, but we're happy if you share your experience. What do I do now? You should ask your ISP for a public and IPv4 address (but this may cost you money). NB: your internal IP should and most probably will be in one of the first three ranges, don't mix them up
ProGamingDk
ProGamingDkβ€’3mo ago
Check this
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@ProGamingDk do you happen to know like an api endpoint (without needing a key) that can nmap port 25565 (or any tcp port)?
lianne
lianneOPβ€’3mo ago
Im still new at this so i sadly dont know
ProGamingDk
ProGamingDkβ€’3mo ago
@lianne read this*

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