Install certificate for CUPS 8.1

Hi All,

How do I go about installing a certificate for CUPS in RedHat 8.1?

90]: [Client 5] Waiting for request.
Feb 06 15:46:28 wall-prt-04.njresources.com cupsd[3090]: [Client 4] Unable to encrypt connection: A TLS fatal alert has been received.
Feb 06 15:46:28 wall-prt-04.njresources.com cupsd[3090]: [Client 4] Closing connection.
Feb 06 15:46:28 wall-prt-04.njresources.com cupsd[3090]: cupsdSetBusyState: newbusy="Not busy", busy="Active clients"
Feb 06 15:46:28 wall-prt-04.njresources.com cupsd[3090]: [Client 5] Unable to encrypt connection: A TLS fatal alert has been received.
Feb 06 15:46:28 wall-prt-04.njresources.com cupsd[3090]: [Client 5] Closing connection.