kubernetes-api 6443/tcp # Kubernetes API server (K3s default)

k3s-supervisor 6444/tcp # K3s supervisor API

kubelet 10250/tcp # Kubelet API

kube-scheduler 10259/tcp # Scheduler

kube-controller 10257/tcp # Controller manager

etcd-client 2379/tcp # etcd client communication

etcd-peer 2380/tcp # etcd peer communication

# Cilium Core

cilium-health 4240/tcp # Health endpoint

cilium-agent 9090/tcp # Metrics (Prometheus)

cilium-hubble 4244/tcp # Hubble server

cilium-hubble-relay 4245/tcp # Hubble relay

cilium-hubble-metrics 9091/tcp # Hubble metrics

kube-proxy-metrics 10249/tcp

prometheus 9090/tcp

alertmanager 9093/tcp

containerd 2375/tcp

containerd-tls 2376/tcp

vxlan 8472/udp

geneve 6081/udp

wireguard 51820/udp

ssh 22/tcp

metallb-speaker 7472/tcp

metallb-controller 7473/tcp