For letsencrypt to work, you also need to allow their servers to be able to reach your instance. It’ll be best to open port 80 & 443 for 0.0.0.0/0 i.e. everywhere setting in the AWS security groups
For letsencrypt to work, you also need to allow their servers to be able to reach your instance. It’ll be best to open port 80 & 443 for 0.0.0.0/0 i.e. everywhere setting in the AWS security groups