.Capsule port 8443 is no longer supported for client traffic Port 8443, previously used when communicating through a Capsule, has been removed. It is no longer an accessible endpoint on Capsules. If your existing clients use port 8443, reconfigure them to use port 443 in one of the following ways: * Remote execution * The `katello-ca-consumer` RPM * Updating the `/etc/rhsm/rhsm.conf` file: In the `[server]` section of the file, ensure that the `port` option is set to `443` Note that API access through port 443 is restricted to specific endpoints. The following paths are available: * ` https://_<capsule.example.com>_/rhsm/ ` * ` https://_<capsule.example.com>_/redhat_access/ `