Private Intranet SSL certificate generation using DNS-01 challenges.
Introduction When deploying internal services/tools on a private intranet, these services are usually hosted on servers that do not have a public IP address interface enabled, and only have a private IP address that only accepts connections through a firewall/IP whitelist. This approach ensures that these tools are only accessible internally, and are not public facing. An approach like this, however, has a few caveats to be aware of. If you want to make requests to these services hosted on private servers, there are two options. ...