### Welcome! - [x] Yes, I've searched similar issues on [GitHub](https://github.com/traefik/traefik/issues) and didn't find any. - [x] Yes, I've searched similar issues on the [Traefik community forum](https://community.traefik.io) and didn't find any. ### What did you expect to see? As described in the [documentation](https://doc.traefik.io/traefik/reference/routing-configuration/kubernetes/ingress-nginx/) the `nginx.ingress.kubernetes.io/whitelist-source-range` annotation is not supported, would be great to implement it