certbot.errors.AuthorizationError: Some challenges have failed

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1

My domain is:
staging.website2022.hfm-nuernberg.de

I ran this command:
sudo certbot --apache

It produced this output:

Obtaining a new certificate
Performing the following challenges:
http-01 challenge for staging.website2022.hfm-nuernberg.de
Waiting for verification...
Challenge failed for domain staging.website2022.hfm-nuernberg.de
http-01 challenge for staging.website2022.hfm-nuernberg.de
Cleaning up challenges
Some challenges have failed.

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: staging.website2022.hfm-nuernberg.de
   Type:   connection
   Detail: During secondary validation: Fetching
   http://staging.website2022.hfm-nuernberg.de/.well-known/acme-challenge/d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ:
   Timeout after connect (your server may be slow or overloaded)

   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address. Additionally, please check that
   your computer has a publicly routable IP address and that no
   firewalls are preventing the server from communicating with the
   client. If you're using the webroot plugin, you should also verify
   that you are serving files from the webroot path you provided.

My web server is (include version):
Apache/2.4.41

The operating system my web server runs on is (include version):
Ubuntu 20.04.4 LTS

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 0.40.0

Log:


2022-04-14 15:05:32,358:DEBUG:urllib3.connectionpool:https://acme-v02.api.letsencrypt.org:443 "POST /acme/authz-v3/98192247670 HTTP/1.1" 200 1166
2022-04-14 15:05:32,358:DEBUG:acme.client:Received response:
HTTP 200
Server: nginx
Date: Thu, 14 Apr 2022 13:05:32 GMT
Content-Type: application/json
Content-Length: 1166
Connection: keep-alive
Boulder-Requester: 496748960
Cache-Control: public, max-age=0, no-cache
Link: <https://acme-v02.api.letsencrypt.org/directory>;rel="index"
Replay-Nonce: 00026G4_I52H8Y0n4_93PINNNAy0EMDWjeIn4PwNMIexAFY
X-Frame-Options: DENY
Strict-Transport-Security: max-age=604800

{
  "identifier": {
    "type": "dns",
    "value": "staging.website2022.hfm-nuernberg.de"
  },
  "status": "invalid",
  "expires": "2022-04-21T13:03:59Z",
  "challenges": [
    {
      "type": "http-01",
      "status": "invalid",
      "error": {
        "type": "urn:ietf:params:acme:error:connection",
        "detail": "During secondary validation: Fetching http://staging.website2022.hfm-nuernberg.de/.well-known/acme-challenge/d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ: Timeout after connect (your server may be slow or overloaded)",
        "status": 400
      },
      "url": "https://acme-v02.api.letsencrypt.org/acme/chall-v3/98192247670/T8QpIw",
      "token": "d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ",
      "validationRecord": [
        {
          "url": "http://staging.website2022.hfm-nuernberg.de/.well-known/acme-challenge/d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ",
          "hostname": "staging.website2022.hfm-nuernberg.de",
          "port": "80",
          "addressesResolved": [
            "141.75.87.40"
          ],
          "addressUsed": "141.75.87.40"
        }
      ],
      "validated": "2022-04-14T13:04:02Z"
    }
  ]
}
2022-04-14 15:05:32,359:DEBUG:acme.client:Storing nonce: 00026G4_I52H8Y0n4_93PINNNAy0EMDWjeIn4PwNMIexAFY
2022-04-14 15:05:32,359:WARNING:certbot.auth_handler:Challenge failed for domain staging.website2022.hfm-nuernberg.de
2022-04-14 15:05:32,359:INFO:certbot.auth_handler:http-01 challenge for staging.website2022.hfm-nuernberg.de
2022-04-14 15:05:32,360:DEBUG:certbot.reporter:Reporting to user: The following errors were reported by the server:

Domain: staging.website2022.hfm-nuernberg.de
Type:   connection
Detail: During secondary validation: Fetching http://staging.website2022.hfm-nuernberg.de/.well-known/acme-challenge/d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ: Timeout after connect (your server may be slow or overloaded)

To fix these errors, please make sure that your domain name was entered correctly and the DNS A/AAAA record(s) for that domain contain(s) the right IP address. Additionally, please check that your computer has a publicly routable IP address and that no firewalls are preventing the server from communicating with the client. If you're using the webroot plugin, you should also verify that you are serving files from the webroot path you provided.
2022-04-14 15:05:32,360:DEBUG:certbot.error_handler:Encountered exception:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 91, in handle_authorizations
    self._poll_authorizations(authzrs, max_retries, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 180, in _poll_authorizations
    raise errors.AuthorizationError('Some challenges have failed.')
certbot.errors.AuthorizationError: Some challenges have failed.

2022-04-14 15:05:32,360:DEBUG:certbot.error_handler:Calling registered functions
2022-04-14 15:05:32,360:INFO:certbot.auth_handler:Cleaning up challenges
2022-04-14 15:05:32,564:DEBUG:certbot.log:Exiting abnormally:
Traceback (most recent call last):
  File "/usr/bin/certbot", line 11, in <module>
    load_entry_point('certbot==0.40.0', 'console_scripts', 'certbot')()
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 1382, in main
    return config.func(config, plugins)
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 1132, in run
    new_lineage = _get_and_save_cert(le_client, config, domains,
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 121, in _get_and_save_cert
    lineage = le_client.obtain_and_enroll_certificate(domains, certname)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 417, in obtain_and_enroll_certificate
    cert, chain, key, _ = self.obtain_certificate(domains)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 348, in obtain_certificate
    orderr = self._get_order_and_authorizations(csr.data, self.config.allow_subset_of_names)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 396, in _get_order_and_authorizations
    authzr = self.auth_handler.handle_authorizations(orderr, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 91, in handle_authorizations
    self._poll_authorizations(authzrs, max_retries, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 180, in _poll_authorizations
    raise errors.AuthorizationError('Some challenges have failed.')
certbot.errors.AuthorizationError: Some challenges have failed.

More information:
Letsdebug HTTP-01
Letsdebug TLS-ALPN-01

Command
certbot renew --dry-run

2022-04-14 15:05:32,359:DEBUG:acme.client:Storing nonce: 00026G4_I52H8Y0n4_93PINNNAy0EMDWjeIn4PwNMIexAFY
2022-04-14 15:05:32,359:WARNING:certbot.auth_handler:Challenge failed for domain staging.website2022.hfm-nuernberg.de
2022-04-14 15:05:32,359:INFO:certbot.auth_handler:http-01 challenge for staging.website2022.hfm-nuernberg.de
2022-04-14 15:05:32,360:DEBUG:certbot.reporter:Reporting to user: The following errors were reported by the server:

Domain: staging.website2022.hfm-nuernberg.de
Type:   connection
Detail: During secondary validation: Fetching http://staging.website2022.hfm-nuernberg.de/.well-known/acme-challenge/d6IN7N0w73hmCFJhxQnWJJ2EWfT1anmXHG5T_FaiJEQ: Timeout after connect (your server may be slow or overloaded)

To fix these errors, please make sure that your domain name was entered correctly and the DNS A/AAAA record(s) for that domain contain(s) the right IP address. Additionally, please check that your computer has a publicly routable IP address and that no firewalls are preventing the server from communicating with the client. If you're using the webroot plugin, you should also verify that you are serving files from the webroot path you provided.
2022-04-14 15:05:32,360:DEBUG:certbot.error_handler:Encountered exception:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 91, in handle_authorizations
    self._poll_authorizations(authzrs, max_retries, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 180, in _poll_authorizations
    raise errors.AuthorizationError('Some challenges have failed.')
certbot.errors.AuthorizationError: Some challenges have failed.

2022-04-14 15:05:32,360:DEBUG:certbot.error_handler:Calling registered functions
2022-04-14 15:05:32,360:INFO:certbot.auth_handler:Cleaning up challenges
2022-04-14 15:05:32,564:DEBUG:certbot.log:Exiting abnormally:
Traceback (most recent call last):
  File "/usr/bin/certbot", line 11, in <module>
    load_entry_point('certbot==0.40.0', 'console_scripts', 'certbot')()
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 1382, in main
    return config.func(config, plugins)
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 1132, in run
    new_lineage = _get_and_save_cert(le_client, config, domains,
  File "/usr/lib/python3/dist-packages/certbot/main.py", line 121, in _get_and_save_cert
    lineage = le_client.obtain_and_enroll_certificate(domains, certname)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 417, in obtain_and_enroll_certificate
    cert, chain, key, _ = self.obtain_certificate(domains)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 348, in obtain_certificate
    orderr = self._get_order_and_authorizations(csr.data, self.config.allow_subset_of_names)
  File "/usr/lib/python3/dist-packages/certbot/client.py", line 396, in _get_order_and_authorizations
    authzr = self.auth_handler.handle_authorizations(orderr, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 91, in handle_authorizations
    self._poll_authorizations(authzrs, max_retries, best_effort)
  File "/usr/lib/python3/dist-packages/certbot/auth_handler.py", line 180, in _poll_authorizations
    raise errors.AuthorizationError('Some challenges have failed.')
certbot.errors.AuthorizationError: Some challenges have failed.
2022-04-14 15:24:14,469:DEBUG:certbot.main:certbot version: 0.40.0
2022-04-14 15:24:14,469:DEBUG:certbot.main:Arguments: ['--dry-run']
2022-04-14 15:24:14,470:DEBUG:certbot.main:Discovered plugins: PluginsRegistry(PluginEntryPoint#apache,PluginEntryPoint#manual,PluginEntryPoint#null,PluginEntryPoint#standalone,PluginEntryPoint#webroot)
2022-04-14 15:24:14,479:DEBUG:certbot.log:Root logging level set at 20
2022-04-14 15:24:14,479:INFO:certbot.log:Saving debug log to /var/log/letsencrypt/letsencrypt.log
2022-04-14 15:24:14,480:DEBUG:certbot.renewal:no renewal failures
1 Like
2

Check if you have the same ISP as @EDV

2 Likes
3

@9peppe Thanks you, it seems that there is some relation to the problem.

3 Likes
4

My ISP added the rule to the Firewall for the "acme-protocol" application. That worked.

4 Likes
5

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