# Pod Security Policy (PSP) - NGINX Ingress Controller

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# Pod Security Policy (PSP)

In most clusters today, by default, all resources (e.g. Deployments and ReplicatSets) have permissions to create pods. Kubernetes however provides a more fine-grained authorization policy called Pod Security Policy (PSP).

PSP allows the cluster owner to define the permission of each object, for example creating a pod. If you have PSP enabled on the cluster, and you deploy ingress-nginx, you will need to provide the Deployment with the permissions to create pods.

Before applying any objects, first apply the PSP permissions by running:

    kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/docs/examples/psp/psp.yaml

Note: PSP permissions must be granted before to the creation of the Deployment and the ReplicaSet.