Port forwarding with Eero 6 router

[existing]

Hi all, I am attempting to open and forward ports (51820, 80, 443) from my Eero 6 router to a device. I have set this up on the Eero app including adding IPv6 firewall rules, trialled turning IPv6 off, and confirmed my device firewall is not blocking incoming connections to these ports, however, the ports are still not open (e.g. per portchecker.co). I would be grateful for advice to solve this issue, thank you.

[KeithFrench]

Hi @existing 

The eero config is fine, as is the firewall on your Windows 11 PC. The problem is that the ports remain closed on your webserver. The router & Windows Firewall merely setup a route & allow a connection to these ports, but it's the application's sole responsibility to open the ports.

Please check your webserver's configuration to make sure that TCP ports 80 & 443 are open & bound to the correct interface of the PC.

[existing]

Thank you @KeithFrench , I've PM'd the requested information

[KeithFrench]

Hi @existing 

OK, thanks for that. Please go to the Windows command prompt & get me the output from this command (again PM it to me if you prefer:-

netstat -a | find "80"

Then repeat for the other port like this:-

netstat -a | find "443"

The next step concerns your Windows 11 firewall. Have you enabled inbound rules for these ports, if so, please PM me the rules for them?  Are you using the Defender Firewall (or whatever firewall, if it is managed by a third-party security suite)?

[existing]

Apologies, it is a dell xps laptop running Windows 11

[KeithFrench]

Hi @existing 

Thanks for the PM. I did ask before, what sort of device and operating system are you forwarding these ports to, as the eero is only one part of the equation.

[existing]

Thanks, I've PM'd as still not working for me unfortunately

[KeithFrench]

Hi @existing 

Why are you trying to do this via IPv6 Firewall settings? Are you using an IPv6 IP address on your web server? I bet it is an IPv4 address, something like 192.168.4.x. In that case, you have set the port forwarding up wrong in the eero app. 

Remove all IPv6 settings that you have changed. The way to do it is to go to:-

Settings > Network Settings > Network Services > Reservation & Port Forwarding

Then tap Add a reservation. Tap on the device to add, set the address to reserved (it must be on the same subnet) & tap SAVE to complete the reservation. If selecting a different address than the one the device is currently using, disconnect & reconnect it, so that it picks up this new address.

Once saved, the option to Open a port becomes available, tap that & then complete the port forwarding rule as required. This example will forward TCP port 80 to the chosen device. Once done, tap SAVE at the top right:-

port forwarding rule example

If it is still not working, please PM me the information that I requested in my previous post.

EDIT: if 51820 is also a TCP port,  I have tested that & it worked the first time.

[KeithFrench]

Please, can you PM me (to preserve your privacy) screenshots from your eero for the port forwarding so I can check them for you? What sort of device are you trying to forward these ports to? I have certainly had TCP ports 80 & 443 open many times.

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KeithFrench is one of our valued Community Stars and can help with a range of issues related to wireless and networking. At times, he may ask you to send him test results via a Private Message to help analyse/diagnose an issue. Although Keith does not work for TalkTalk, he very kindly shares his time and knowledge to help others.

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