Na webserveru: vi /etc/apache2/conf-available/letsencrypt.conf:
<Location "/.well-known/acme-challenge/"> ProxyPass http://<IP_LETSENCRYPT_SERVERU>/.well-known/acme-challenge/ ProxyPassReverse http://<IP_LETSENCRYPT_SERVERU>/.well-known/acme-challenge/ </Location> a2enconf letsencrypt.conf service apache2 restart Na Let's Encrypt serveru: certbot certonly --standalone --preferred-challenges http --non-interactive -d domena.cz certbot renew --standalone --preferred-challenges http --non-interactive