Dyndns updater unable to determine wan ip

Which doesn't make sense to me really because the interface IP should be irrelevant if it's using external IP check services which return the correct IP anyway.

I disabled the test that print the error so the errorlog would show when I forced an update. My log line shows something that yours doesn't : the IP Sorry, I am not entirely sure what you are asking me to do here. I re-enabled the default check IP service. Register Login. Reply Reply as topic. This topic has been deleted.

Only users with topic management privileges can see it. In the logs I can see it is failing to determine the public IP for an unknown reason. No "help me" PM's please. But HFS has a way to force which server to be used. Inject in your hfs. Just for the information A classic DNS request goes on port 53 by default, and return on the same port. DynDNS services seem to use differents ways, also they use a trick, perhaps it could help Forgot your password? Does it have something to do with my ISP - and if so, how does my router admin screen know the correct address?

Could this be related to IPv6 or some other setting on my router? Is there anything I can do to fix this? Go to Solution. And, yes, that means that Dynamic DNS won't work. One way to work around that is to connect your home server to a VPN provider.

View solution in original post. Unfortunately, your ISP doesn't have enough public addresses to give one to every customer, so they have to resort to using NAT. Your ISP actually posted about this in their blog link. IP address Technically, it doesn't belong to you.

The one mystery is why you can connect to your home server using Thanks a bunch for the reply. It sounds sorta like there is just another level at my ISP I also see what you're saying about it being unreachable. I think its working as you'd expect. What confused me was that when seeing my private address as the IP target in my noip configuration then my port was reachable - but you're right, it's only on my network.

So this makes more sense now.