Source Component Destination Expose Strategy Ports Purpose
KKP Users / Master Ingress Controller Any 443* Access to KKP Dashboard
Master Cluster nodes KKP Operator Seed cluster Kubernetes API Any 6443* Operator access
Master Cluster nodes Kubermatic API Seed cluster Kubernetes API Any 6443* Operator access
Master cluster nodes Kubermatic API Seed cluster nodeport-proxy Tunneling 6443 Access to User Cluster API Endpoints
Master cluster nodes Kubermatic API Seed cluster nodeport-proxy NodePort 30000-32767** Access to User Cluster API Endpoints
Master cluster nodes Kubermatic API Seed cluster nodeport-proxy LoadBalancer 30000-32767** Access to User Cluster API Endpoints
Seed cluster nodes Seed controller manager Cloud Provider API Any provider specific Cloud provider api access
User cluster nodes Kubelet/ Konnectivity/ in-cluster api Seed cluster nodeport-proxy Tunneling 6443, 8088 Access to User Cluster API Endpoints and Konnectivity
User cluster nodes Kubelet/ Konnectivity/ in-cluster api Seed cluster nodeport-proxy NodePort 30000-32767** Access to User Cluster API Endpoints and Konnectivity
User cluster nodes Kubelet/ Konnectivity/ in-cluster api Seed cluster nodeport-proxy LoadBalancer 30000-32767** Access to User Cluster API Endpoints and Konnectivity
KKP Users / Seed cluster nodeport-proxy Tunneling 6443 Access to User Cluster API Endpoints
KKP Users / Seed cluster nodeport-proxy NodePort 30000-32767** Access to User Cluster API Endpoints
KKP Users / Seed cluster nodeport-proxy LoadBalancer 30000-32767** Access to User Cluster API Endpoints