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DuckDNS URL no longer working on home network? (lemy.lol)

submitted 2 days ago* (last edited 1 day ago) by [email protected] to c/[email protected]

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I have my home server apps configured with NGINX proxy manager and DuckDNS to access remotely, but about three weeks ago DuckDNS URLs stopped working on my home network. I can access 192.168.XXX.XXX:1234 on the home network but myapp.duckdns.org times out.

It DOES work as expected using a VPN or on mobile data.

Any ideas as to what's going on?

~~EDIT: I kind-of sort-of got a workaround working using pi-hole "local DNS" feature to point the duckdns URL to NGINX.~~ Didn't work

EDIT 2: Disabling the router's firewall completely seems to have fixed it. Still trying to figure out the exact setting that did it. I will update this post if I can.

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[–] [email protected] 1 points 1 day ago (1 children)

I don't know if this will be of any help, and I dont fully understand the intricacies, but I run into similar issues with my HomeAssistant setup when the certificates expire (every couple of months?). The issue is that HA doesn't pull the new certificate without a reboot, so I typically just restart it every once in a while to ensure that it has the newest certificate.

[–] [email protected] 2 points 1 day ago

Thanks, but I don't think that's it. I rebooted and also tried adding a new container to NGINX with a DuckDNS url and it won't load on the local network.