HTTPSConnectionPool(host='', port=443): Read timed out. (read timeout=45)

My domain is:

I ran this command: certbot renew --force-renewal

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

Processing /etc/letsencrypt/renewal/

Failed to renew certificate with error: HTTPSConnectionPool(host='', port=443): Read timed out. (read timeout=45)

All renewals failed. The following certificates could not be renewed:
/etc/letsencrypt/live/ (failure)

1 renew failure(s), 0 parse failure(s)
Ask for help or search for solutions at See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.

My web server is (include version):
nginx version: nginx/1.15.2

The operating system my web server runs on is (include version):
Linux iZbp1i0q7nfqv32xsti8t6Z 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

My hosting provider, if applicable, is:

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

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

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
certbot 1.29.0

Hi @huobaiyu, and welcome to the LE community forum :slight_smile:

Why are you using --force-renewal?
Please don't do that without a good reason.

Show the output of:
curl -I4


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