Are you still in the need of help? Somehow i did not get a notification This is our config, maybe it helps: apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: nifi-ingress namespace: nifi labels: app: nifi annotations: nginx.ingress.kubernetes.io/ssl-passthrough: "true" spec: ingressClassName: nginx rules: - host: <url> http: paths: - path: / pathType: Prefix backend: service: name: nifi-service port: number: 8443 tls: - hosts: - <url>   ... View more

To use the certificates stored in the NiFi-Registry you would need to set the ingress to SSL-Passthrough, which means removing the annotiation "nginx.ingress.kubernetes.io/backend-protocol: HTTPS" and replacing it with " nginx.ingress.kubernetes.io/ssl-passthrough: "true"" Also this feature needs to be enabled at the ingress-controller TLS/HTTPS - Ingress-Nginx Controller (kubernetes.github.io) for it to work.   - at least, thats what yorked for our setup, YMMV ... View more

I can answer your first question, the path at the ingress needs to be "/". If you share more information about your setup (like the yaml files used for deploying), I might be able to help you more. ... View more