Saving debug log to /var/log/letsencrypt/letsencrypt.log An unexpected error occurred: requests.exceptions.ConnectionError: ('Connection aborted.', ConnectionResetError(104, 'Connection reset by peer')) Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
I'm confused: what is it, "Connection reset by peer" as in your post or "Connection timeout" as in your thread title? Because those two things are NOT the same.