Port Forward for hosting a minecraft server.

I have recently set up a minecraft server to run on a spare laptop, I have done everything for that correct (confirmed because I can connect to the server locally), but I am unable to have friends connect across internet.

I have set up the port forward through the Xfinity app on port 25565, and double checked it is open on my external IP address. I have tried having both myself, and my friends completely disable firewalls in an attempt to resolve this, (even though we have all made rules to allow the connections) but this has not fixed the issue.

I am wondering if anyone has had any experience using the Xfinity gateway/modem combo to host a server, or if Xfinity for some reason is blocking this for a reason I do not know?

Any help would be appreciated, thanks.

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XfinityMarcos

Official Employee

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1.9K Messages

9 days ago

Hi OneBallRyan, that sounds like a pretty fun port forward you're looking to set up, so I get why you're reaching out. It's pretty odd that you were able to set it up on the Xfinity app but it's still not working as intended. Are you using a standalone/personal router along with your gateway? Also, have you had any reported error codes or error message? You can confirm the Port Forward Set Up process by using that hyperlinked walkthrough.

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OneBallRyan

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@XfinityMarcos

Thanks for the response.

I am using the Xfinity gateway/modem combo, more specifically the xFi Advanced Gateway, model XB7, so I am not using any of my own equipment. I have not seen any error messages at all, and double checked with the Admin Tool, but it seems now you can only edit/view port forwards through the Xfinity app. Would it be possible that the Gateway firewall could be causing an issue? I have Minimum Security set for IPv4, and Typical Security set for IPv6.

Thanks again for the help.

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8 days ago

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XfinityRaf

Official Employee

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633 Messages

It would be best to try to eliminate factors that may be causing the issue. I'd drop the IPv6 firewall down a level and try the forwarding again. Let us know the results.

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8 days ago

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OneBallRyan

Port Forward for hosting a minecraft server.

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