Challenge did not pass (status 400) UCS 5 Univention

Wir können den Letsencrypt Zertifikat nicht mehr erneuern.

Folgenden Log:

Refreshing certificate for following domains:
nextcloud.flg…
Parsing account key…
Parsing CSR…
Found domains: nextcloud.flg…
Getting directory…
Directory found!
Registering account…
Already registered!
Creating new order…
Order created!
Verifying nextcloud.flg…
Traceback (most recent call last):
File “/usr/share/univention-letsencrypt/acme_tiny.py”, line 198, in
main(sys.argv[1:])
File “/usr/share/univention-letsencrypt/acme_tiny.py”, line 194, in main
signed_crt = get_crt(args.account_key, args.csr, args.acme_dir, log=LOGGER, CA=args.ca, disable_check=args.disable_check, directory_url=args.directory_url, contact=args.contact)
File “/usr/share/univention-letsencrypt/acme_tiny.py”, line 149, in get_crt
raise ValueError(“Challenge did not pass for {0}: {1}”.format(domain, authorization))
ValueError: Challenge did not pass for nextcloud.flg…: {u’status’: u’invalid’, u’challenges’: [{u’status’: u’invalid’, u’validationRecord’: [{u’url’: u’http://nextcloud.flg…/.well-known/acme-challenge/Nh9SdSW6h4bZg2ZNClg_ZRaRBYkV4p2Pv7vOrPRYG38’, u’hostname’: u’nextcloud.flg…’, u’addressUsed’: u’93.238…’, u’port’: u’80’, u’addressesResolved’: [u’93.238…’]}], u’url’: u’https://acme-v02.api.letsencrypt.org/acme/chall-v3/198362170227/kOlXFg’, u’token’: u’Nh9SdSW6h4bZg2ZNClg_ZRaRBYkV4p2Pv7vOrPRYG38’, u’error’: {u’status’: 400, u’type’: u’urn:ietf:params:acme:error:connection’, u’detail’: u’93.238…: Fetching htt://nextcloud…/.well-known/acme-challenge/Nh9SdSW6h4bZg2ZNClg_ZRaRBYkV4p2Pv7vOrPRYG38: Timeout during connect (likely firewall problem)’}, u’validated’: u’2023-01-26T11:28:19Z’, u’type’: u’http-01’}], u’identifier’: {u’type’: u’dns’, u’value’: u’nextcloud.flg…’}, u’expires’: u’2023-02-02T11:28:17Z’}

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