Why can't I connect to my Red Hat OpenShift API Satellite link endpoint?

I can't connect to my Red Hat OpenShift API Satellite link endpoint. I was able to before, what changed?

By default, your Red Hat OpenShift API Satellite link endpoints are protected. To access your link endpoints, you must configure an access control list (ACL) for your endpoint.

To configure an access control list for your endpoint, follow the instructions in accessing your Red Hat OpenShift API Satellite link endpoints.