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Message 1 of 23

Creating a Minecraft server, port forwarding

Hi all,

I had a minecraft server setup on previous broadband provider (EE). I had set up port forwarding for port 25565 on my gaming pc. Everything worked fine, my friends could connect using my public IP and i could also connect using my public ip address. 

Fast forward to today. I had recently switched to BT and had my modem, router and everything setup. Internet connection is great. 

I setup portforwarding on my new router, selected my pc as the portforward device, added 25565 to both internal and external ports, then launched and ran my server. I tried connecting to it using my public ip address and I couldn't connect at all.

I then did some diagnosing and added the port 25565 to my inbound and outbound rules for my pc (firewall). 

I restarted the server then tried connecting again and still no luck. I then checked CanYouSeeMe.org to see if my ip address and port was visible, this is what i got:

lazzy_77_0-1685994465759.png

I then also checked GRC to see what the status of my ports where and this was the result:

lazzy_77_1-1685994530073.png

I have no idea what else to do and how to get this working...

I have contacted BT customer support, I was then told that the people I called were not trained to handle this sort of thing and when I asked if their IT team had a contact number they said no.

I don't know what else to do...

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Message 2 of 23

Re: Creating a Minecraft server, port forwarding

Try disabling UPnP, it might be causing a conflict.

How were you trying to connect, via your own wifi or 4G?

NAT loopback is a bit unpredictable, best try connecting via 4G

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Message 3 of 23

Re: Creating a Minecraft server, port forwarding

Are there any cons to this? Will my chromecast and stuff still work?
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Message 4 of 23

Re: Creating a Minecraft server, port forwarding


@lazzy_77 wrote:
Are there any cons to this? Will my chromecast and stuff still work?

No idea, try it and see.

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3,083 Views
Message 5 of 23

Re: Creating a Minecraft server, port forwarding

Unfortunately doesnt work. Thanks tho!

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Message 6 of 23

Re: Creating a Minecraft server, port forwarding

Did you see the edit to my post regarding NAT loopback.

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Message 7 of 23

Re: Creating a Minecraft server, port forwarding

Via my own wifi, I have also tried conencting to my local ipv4 address then adding the :25565 extension to address NAT loopback (googled this). Nothing works 

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Message 8 of 23

Re: Creating a Minecraft server, port forwarding

All my ports are on Stealth mode as seen in the GRC screenshot, can this be the problem?
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Message 9 of 23

Re: Creating a Minecraft server, port forwarding

Try it via 4G

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Message 10 of 23

Re: Creating a Minecraft server, port forwarding

So connect my pc to my mobile 4g then try connect?
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