Question & Answer
Question
Which are the common ports that CP4S services and components use to communicate across the network?
Answer
CP4S requires that your system must have some ports available for communication. The following table lists the common ports that CP4S services and components use to communicate across the network.
| Protocol | Port | Description |
|
TCP
|
22 | Ssh |
| 80 | Http routes; bare metal only; on nodes running router pod replicas | |
| 443 | Https routes; bare metal only; on nodes running router pod replicas | |
| 1936 | Healthz stats; bare metal only; on nodes running router pod replicas | |
| 2041 | Interbase | |
| 2379 | Control plane only | |
| 2380 | Control plane only | |
| 5050 | Bare metal provisioning, control plane only | |
| 6080 | Control plane only | |
| 6180 | Bare metal provisioning server, control plane only | |
| 6181 | Bare metal image cache, control plane only | |
| 6183 | Bare metal provisioning server (TLS), control plane only | |
| 6385 | Bare metal provisioning, control plane only | |
| 6388 | Bare metal provisioning, control plane only | |
| 6443 | Control plane only | |
| 9001 | Metrics | |
| 9100 | Metrics | |
| 9101 | Metrics, openshift-sdn only | |
| 9102 | Metrics, control plane only, ovn-kubernetes only | |
| 9103 | Metrics | |
| 9105 | Metrics | |
| 9106 | Control plane only, sdn only | |
| 9107 | Egressip-node-health check-port, sdn interface only, ovn-kubernetes only | |
| 9120 | Metrics | |
| 9121 | Metrics | |
| 9122 | Leader election protocol | |
| 9191 | Metrics | |
| 9192 | Metrics | |
| 9193 | Metrics | |
| 9194 | Metrics | |
| 9200-9219 | Metrics | |
| 9258 | Metrics, control plane only | |
| 9300 | Metrics, ingress node firewall | |
| 9301 | Metrics, ingress node firewall | |
| 9444 | On-prem internal load balancer, health check port | |
| 9445 | On-prem internal load balancer | |
| 9446 | Healthz; bare metal provisioning, control plane only | |
| 9447 | Webhook; bare metal provisioning, control plane only | |
| 9537 | Metrics | |
| 9641 | Control plane only, ovn-kubernetes only | |
| 9642 | Control plane only, ovn-kubernetes only | |
| 9643 | Control plane only, ovn-kubernetes only | |
| 9644 | Control plane only, ovn-kubernetes only | |
| 9978 | Metrics, control plane only | |
| 9979 | Control plane only | |
| 10010 | Stream port | |
| 10250 | Kubelet api | |
| 10251 | Healthz, control plane only | |
| 10255 | Healthz, third-party network plug-ins only | |
| 10256 | Healthz, openshift-sdn only | |
| 10257 | Metrics, healthz, control plane only | |
| 10258 | Metrics, healthz, control plane only | |
| 10259 | Metrics, control plane only | |
| 10263 | Metrics, healthz, some platforms only | |
| 10357 | Metrics, control plane only | |
| 10443 | HAProxy internal fe_no_sni front end; localhost only; bare metal only; on nodes running router pod replicas |
|
| 10444 | HAProxy internal fe_sni front end; localhost only; bare metal only; on nodes running router pod replicas |
|
| 17697 | Control plane only | |
| 22623 | Control plane only | |
| 22624 | Control plane only | |
| 60000 | Metrics, 4.6+ control plane only | |
|
TCP/UDP
|
3389 | Remote Desktop Protocol (RDP) |
|
UDP
|
500 | Ovn-kubernetes only |
| 4500 | Ovn-kubernetes only | |
| 4789 | Openshift-sdn always, ovn-kubernetes that uses Windows hybrid networking | |
| 6081 | Ovn-kubernetes only | |
| 9122 | Leader election protocol |
Related Information
[{"Type":"MASTER","Line of Business":{"code":"LOB24","label":"Security Software"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTDPP","label":"IBM Cloud Pak for Security"},"ARM Category":[{"code":"a8m3p0000000rbnAAA","label":"Administration Task"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]
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Document Information
Modified date:
12 January 2023
UID
ibm16854611