Enable TLSv1

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TLSv1 and TLSv1.1 are disabled by default in PE.

You must enable TLSv1 to install agents on these platforms:

To comply with security regulations, PE 2019.1 and later uses only version 1.2 of the Transport Layer Security (TLS) protocol.

In the console, click Classification > PE Infrastructure.
On the Configuration tab, in the Data area, add the following class, parameter, and value:
Class Parameter Value
puppet_enterprise::master::puppetserver ssl_protocols ["TLSv1", "TLSv1.1", "TLSv1.2"]
Click Add data, and commit changes.
Run Puppet on the master.