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proxy.maud.bt.com certificate

Buckskin
Investigator
Investigator

Why do I suddenly have a proxy.maud.bt.com request causing my dynamic dns logins to fail

16 REPLIES 16

I use ChangeIP

Details are correct as logging in using http works

Appears in several different browsers (Edge, Pale Moon, Firefox) [also two different PCs]  running Windows, when trying to connect via https, when advising user using lets-encrypt certificates that they are not safe. The error ends up as 504 nginx (I am not using nginx I use apache). The error is;

This server couldn't prove that it's ??.changeip.net; its security certificate is from proxy.maud.bt.com. This may be caused by a misconfiguration or an attacker intercepting your connection.

Since no-one seems to know anything about that particular certificate I doubt that it has anything to do with ChangeIP, but hopefully someone can point to where it does come from.

Oh, and no I am not trying to connect to the hub manager using https.

@Buckskin - thanks for the detail. 


@Buckskin wrote:

I use ChangeIP

Details are correct as logging in using http works


I'm confused by this distinction (bold). Logging into what exactly? When configuring Dynamic DNS for my ChangeIP account - which seemed to work OK last I tried - there's no option to select whether TLS is used or not? (details below obfuscated and not my actual account details)  🤔

Screenshot from 2025-08-01 11-50-38.png


Appears in several different browsers (Edge, Pale Moon, Firefox) [also two different PCs]  running Windows, when trying to connect via https, when advising user using lets-encrypt certificates that they are not safe. The error ends up as 504 nginx (I am not using nginx I use apache). The error is;


Again, emphasis in bold. Connecting to what and how ? You're using Apache for what? Is there a local web server in the equation somewhere?


This server couldn't prove that it's ??.changeip.net; its security certificate is from proxy.maud.bt.com. This may be caused by a misconfiguration or an attacker intercepting your connection.

Since no-one seems to know anything about that particular certificate I doubt that it has anything to do with ChangeIP, but hopefully someone can point to where it does come from.


I think it's fairly safe to assume from the links others have posted that it's not ChangeIP. Something on the hub to faciliate the TV/content delivery plans mentioned at this link?

I run Owncloud on a Raspberry Pi and use  apache as the buffer between me and the world and ChangeIP to make sure I can stay connected. I can log into the Owncloud Pi with http because it is on my own network. I do not think that this has anything to do with the invalid  certificate proxy.maud.bt.com because this has only just made an appearance.

I was upgrading the operating system on the Pi and reinstalled the letsencrypt certificates, on trying to log onto Owncloud I then got the previously mentioned error.

I saw that link when searching for information on the proxy.maud.bt.com problem but since I do not use (or ever heard of) Edgeio I disregarded it. It may well be something introduced into the hub firmware but I would have hoped that if so there would be mention of it somewhere.

cgee1
Contributor
Contributor

Bt said it will have alexa with EE

Well That was a lie

It does not have alexa.

 Also you can not get different  ring tones. Also the phones keep synchronising  all the time. 

EE 

I am thinking of going else where when I can  so much cheaper