Curated port reference

Port 10259: kube-scheduler

kube-scheduler commonly uses port 10259 over TCP. Review its purpose, traffic direction and operational security considerations.

10259TCP

kube-scheduler

Default secure serving port for the Kubernetes scheduler.

Typical use

Control-plane health, metrics and internal management traffic.

Traffic direction

Cluster internal

Security considerations

Keep limited to the control-plane or approved monitoring paths and do not expose publicly.