How to fix: TLS Protocol Session Renegotiation Security Vulnerability,port 8084/tcp over SSL

I try to set
listener.ssl.external.secure_renegotiate = on
listener.wss.external.secure_renegotiate = on
then restart emqttd, but still not fix the security issue, please help to see how to fix this issue, thanks.

Disable renegotiation completely.

Note: CVE-2009-3555 is not specific to any one vendor or product so please reference individual vendor documentation for additional solutions