ok, I modified my server line in the nginx file, and I ran the following command with the change to port 8080: sudo -H ./letsencrypt-auto certonly --standalone -d nace.network -d www.nace.network --http-01-port 8080
but apparently it still throws me error
./letsencrypt-auto has insecure permissions!
To learn how to fix them, visit Certbot-auto deployment best practices
/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/cryptography/hazmat/primitives/constant_time.py:26: CryptographyDeprecationWarning: Support for your Python version is deprecated. The next version of cryptography will remove support. Please upgrade to a release (2.7.7+) that supports hmac.compare_digest as soon as possible.
utils.PersistentlyDeprecated2018,
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Cert is due for renewal, auto-renewing…
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for nace.network
Cleaning up challenges
Problem binding to port 8080: Could not bind to IPv4 or IPv6.