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Add firewall configuration to quick start documentation (#10357)

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Rudolf Byker 2023-08-29 09:17:22 +02:00 committed by GitHub
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docs/deploy/index.md
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@ -80,6 +80,12 @@ kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/cont
Because of api deprecations, the default manifest may not work on your cluster. Because of api deprecations, the default manifest may not work on your cluster.
Specific manifests for supported Kubernetes versions are available within a sub-folder of each provider. Specific manifests for supported Kubernetes versions are available within a sub-folder of each provider.
### Firewall configuration
To check which ports are used by your installation of ingress-nginx, look at the output of `kubectl -n ingress-nginx get pod -o yaml`. In general, you need:
- Port 8443 open between all hosts on which the kubernetes nodes are running. This is used for the ingress-nginx [admission controller](https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/).
- Port 80 (for HTTP) and/or 443 (for HTTPS) open to the public on the kubernetes nodes to which the DNS of your apps are pointing.
### Pre-flight check ### Pre-flight check
A few pods should start in the `ingress-nginx` namespace: A few pods should start in the `ingress-nginx` namespace: