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ISPConfig 3.2 Let's Encrypt on AWS EC2 instances

ISPConfig 3.2 brings a much welcomed feature of installing a Let's Encrypt SSL for the default ISPConfig interface.

Prior to installation it is best to set the hostname of the EC2.

e.g.

1. nano /etc/hosts

add the instance default name at 127.0.0.1

2. hostnamectl set-hostname [new hostname]

3. nano /etc/cloud/cloud.cfg

Change the following parameters to "true"

preserve_hostname: true


If the ISPConfig has already been configured, re-run the update routine and choose to reinstall the default SSL again.

During installation, it might report an error that DNS fails to resolve the domain, just continue and it should generate the SSL corretly.


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