Certificate does not match server address anymore

Eric-Sommer · March 23, 2020, 1:58pm

I can’t reach my server anymore, because the certificate URL suddenly does not match anymore to my server address. Firefox reports an SSL_ERROR_BAD_CERT_DOMAIN. The server has run smoothly for several months without any problems. How can I renew the certificate for my address without breaking anything? Related: Is this a sign of somebody trying to hack my server?

My domain is:
ericsowncloud.ddns.net

My web server is (include version):

The operating system my web server runs on is (include version):
NextcloudPi

My hosting provider, if applicable, is:
no-ip.com

I can login to a root shell on my machine (yes or no, or I don’t know):
yes

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot):
0.31.0

Osiris · March 23, 2020, 2:18pm

The URL is redirected to https://server1.hofra.net/ in my browser, do you recognise that address?

9peppe · March 23, 2020, 2:21pm

And it’s a redirect loop…

% curl -IL http://ericsowncloud.ddns.net/
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Mon, 23 Mar 2020 14:20:18 GMT
Content-Type: text/html
Content-Length: 178
Connection: keep-alive
Location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:18 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:19 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:20 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

HTTP/2 301 
server: nginx
date: Mon, 23 Mar 2020 14:20:21 GMT
content-type: text/html
content-length: 178
location: https://server1.hofra.net/

curl: (47) Maximum (50) redirects followed

Eric-Sommer · March 23, 2020, 2:21pm

No, I don’t…

9peppe · March 23, 2020, 2:24pm

Then I guess your IP address needs updating.

Eric-Sommer · March 23, 2020, 3:24pm

Thanks. I updated the ipv6, can’t find a ipv4. doesn’t work until now.

system · April 22, 2020, 3:24pm

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Certificate does not match server address anymore

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