Certbot renew problem on some domain

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1

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My domain is:taldap.de

I ran this command:certbot-auto renew --dry-run --cert-name taldap.de

It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log

Processing /etc/letsencrypt/renewal/taldap.de.conf

Cert is due for renewal, auto-renewing…
Plugins selected: Authenticator webroot, Installer None
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for taldap.de
http-01 challenge for www.taldap.de
Waiting for verification…
Challenge failed for domain taldap.de
Challenge failed for domain www.taldap.de
http-01 challenge for taldap.de
http-01 challenge for www.taldap.de
Cleaning up challenges
Attempting to renew cert (taldap.de) from /etc/letsencrypt/renewal/taldap.de.conf produced an unexpected error: Some challenges have failed… Skipping.
All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/taldap.de/fullchain.pem (failure)

** DRY RUN: simulating ‘certbot renew’ close to cert expiry
** (The test certificates below have not been saved.)

All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/taldap.de/fullchain.pem (failure)
** DRY RUN: simulating ‘certbot renew’ close to cert expiry
** (The test certificates above have not been saved.)

1 renew failure(s), 0 parse failure(s)

IMPORTANT NOTES:

My web server is (include version):Server version: Apache/2.4.10 (Debian)

The operating system my web server runs on is (include version):Debian GNU/Linux 8 (jessie)

My hosting provider, if applicable, is:ovh.net

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):certbot 0.40.1

2

Hi @pauldon2

there are a lot of redirects to argusoft.de - https://check-your-website.server-daten.de/?q=taldap.de

Sample:

http://taldap.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
54.36.119.183
302
	http://www.argusoft.de/taldap.html.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

So it's impossible that Letsencrypt checks your validation file. Or runs argusoft.de on the same server?

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Yes. This is the same sever.

4

But why is there such a curious redirect? It’s your software? Letsencrypt must find the validation file.

5

This is just another virtual server.

6

Please read some basics about challenge types.

You have to remove that curious redirect.

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