The product described by this documentation, Anthos Clusters on AWS (previous generation), is now in
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Network ports
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This page lists the TCP and UDP ports that the GKE on AWS
control plane and node pools use and their purpose.
Control plane ports
TCP or UDP
Port
Component or process
Description
TCP
22
sshd
SSH server
TCP
53
systemd-resolve
DNS stub listener
UDP
53
systemd-resolve
DNS stub listener
UDP
68
systemd-network
DHCP client
TCP
10250
kubelet
port
TCP
10255
kubelet
readOnlyPort
TCP
10248
kubelet
healthzPort
TCP
10251
kube-scheduler
TCP
10252
kube-scheduler
TCP
10257
kube-controller
--secure-port
TCP
10259
kube-scheduler
--secure-port
TCP
8132
proxy-server
Konnectivity server (agent connection)
TCP
8133
proxy-server
Konnectivity server (health)
TCP
8134
proxy-server
Konnectivity server (admin/metrics)
TCP
11872
healthchecker
Internal health checker for control plane
TCP
2381
etcd
server-to-server communication
TCP
2380
etcd
peer
communication
TCP
4002
etcd
client requests
TCP
2379
etcd
client
requests
TCP
21362
ais
TCP
29999
ais
TCP
29997
ais
TCP
443
kube-apiserver
Kubernetes API server
TCP
22012
csi-attacher
TCP
22013
csi-resizer
TCP
22014
csi-snapshotter
TCP
22011
csi-provisioner
TCP
23011
snapshot-validation-webhook
TCP
8090
aws-encryption-provider
TCP
29001
gke-aws-controller-manager
TCP
8085
cluster-autoscaler
Health check
Node pool ports
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Last updated 2024-06-12 UTC.
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