I have one web server that is not typically publicly accessible. When I originally created its certificate, I opened the firewall for that host in order to use tls-sni-01 authorization. After the certificate was created, I returned the firewall to its original state. The “how it works” document a…

Renewing certificate on an unreachable/private server

ahaw021 August 4, 2017, 4:15am 3

certbot also supports this now

Andrei