Пытаюсь поставить ssl от Let’s Encrypt по инструкции -
https://almostover.ru/2017-04/get-letsencrypt-free...
Выполняю команду :
certbot-auto certonly --allow-subset-of-names --agree-tos -m admin@site.ru --rsa-key-size 4096 --standalone --preferred-challenges http --http-01-port 9999 --server https://acme-v01.api.letsencrypt.org/directory -d site.ru
и выдается ошибка:
[root@sever ~]# certbot-auto certonly --allow-subset-of-names --agree-tos -m admin@site.ru --rsa-key-size 4096 --standalone --preferred-challenges http --http-01-port 9999 --server https://acme-v01.api.letsencrypt.org/directory -d site.ru
/root/.local/share/letsencrypt/lib/python2.6/site-packages/cryptography/__init__.py:26: DeprecationWarning: Python 2.6 is no longer supported by the Python core team, please upgrade your Python. A future version of cryptography will drop support for Python 2.6
DeprecationWarning
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Obtaining a new certificate
/root/.local/share/letsencrypt/lib/python2.6/site-packages/acme/jose/jwa.py:110: DeprecationWarning: signer and verifier have been deprecated. Please use sign and verify instead.
signer = key.signer(self.padding, self.hash)
Performing the following challenges:
http-01 challenge for site.ru
Waiting for verification...
Challenge failed for domain site.ru
Cleaning up challenges
Challenges failed for all domains
В чем дело?