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4.5
Post-installation configuration
3.5. Configuring ingress cluster traffic

3.5. Configuring ingress cluster traffic

OpenShift Container Platform provides the following methods for communicating from outside the cluster with services running in the cluster:

If you have HTTP/HTTPS, use an Ingress Controller.
If you have a TLS-encrypted protocol other than HTTPS, such as TLS with the SNI header, use an Ingress Controller.
Otherwise, use a load balancer, an external IP, or a node port.

Expand

Method	Purpose
Use an Ingress Controller	Allows access to HTTP/HTTPS traffic and TLS-encrypted protocols other than HTTPS, such as TLS with the SNI header.
Automatically assign an external IP by using a load balancer service	Allows traffic to non-standard ports through an IP address assigned from a pool.
Manually assign an external IP to a service	Allows traffic to non-standard ports through a specific IP address.
Configure a `NodePort`	Expose a service on all nodes in the cluster.

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