ce7cb702218693d08ea6d83464d2457c9250027c
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215
vendor/platform/vault/network-policies.yaml
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215
vendor/platform/vault/network-policies.yaml
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---
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apiVersion: cilium.io/v2
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kind: CiliumNetworkPolicy
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metadata:
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name: vault-server
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namespace: vault
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spec:
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endpointSelector:
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matchLabels:
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app.kubernetes.io/name: vault
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component: server
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ingress:
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# Raft peer-to-peer (intra-namespace only)
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault
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component: server
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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- port: "8201"
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protocol: TCP
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# port-forward from host (bootstrap: init, unseal, Terraform)
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- fromEntities:
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- host
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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# cert-manager: Vault PKI signing via pki_int
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: cert-manager
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app.kubernetes.io/name: cert-manager
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app.kubernetes.io/component: controller
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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# VSO controller: reads secrets from Vault API
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault-secrets-operator
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: argo-opnsense-certificate
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app.kubernetes.io/name: opnsense-certificate-rotator
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app.kubernetes.io/instance: opnsense-certificate-rotator
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: stalwart
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app.kubernetes.io/name: stalwart-controller
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app.kubernetes.io/instance: stalwart
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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- fromCIDR:
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- 10.115.187.218/24
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- 10.63.81.107/24
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- 10.162.8.60/24
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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egress:
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# Raft peer-to-peer
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault
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component: server
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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- port: "8201"
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protocol: TCP
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# Database engine: rotates PostgreSQL static role credentials
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: postgres
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cnpg.io/cluster: main
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toPorts:
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- ports:
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- port: "5432"
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protocol: TCP
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# Kubernetes service registration + TokenReview (k8s auth method)
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- toEntities:
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- kube-apiserver
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toPorts:
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- ports:
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- port: "6443"
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protocol: TCP
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: kube-system
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k8s-app: kube-dns
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toPorts:
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- ports:
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- port: "53"
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protocol: UDP
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- port: "53"
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protocol: TCP
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---
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# vault-secrets-operator: TLS API on 8200, health probes on 8081 from kubelet.
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apiVersion: cilium.io/v2
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kind: CiliumNetworkPolicy
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metadata:
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name: vault-secrets-operator
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namespace: vault
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spec:
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endpointSelector:
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matchLabels:
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app.kubernetes.io/name: vault-secrets-operator
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control-plane: controller-manager
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ingress:
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# Kubelet health/readiness probes + kube-apiserver webhook calls
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- fromEntities:
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- host
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toPorts:
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- ports:
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- port: "8081"
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protocol: TCP
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- port: "9443"
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protocol: TCP
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egress:
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# Vault API
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault
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component: server
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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# Kubernetes API (watch/patch secrets, TokenReview)
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- toEntities:
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- kube-apiserver
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toPorts:
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- ports:
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- port: "6443"
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protocol: TCP
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: kube-system
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k8s-app: kube-dns
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toPorts:
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- ports:
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- port: "53"
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protocol: UDP
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- port: "53"
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protocol: TCP
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---
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# Host egress to vault pods (kubectl port-forward during bootstrap) and VSO health probes.
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apiVersion: cilium.io/v2
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kind: CiliumClusterwideNetworkPolicy
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metadata:
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name: host-egress-vault
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spec:
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nodeSelector: {}
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egress:
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault
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component: server
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toPorts:
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- ports:
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- port: "8200"
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protocol: TCP
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# Kubelet → VSO health probes; kube-apiserver → VSO webhook
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- toEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault-secrets-operator
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control-plane: controller-manager
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toPorts:
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- ports:
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- port: "8081"
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protocol: TCP
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- port: "9443"
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protocol: TCP
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---
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# Same-node Gateway/LB and host bootstrap paths can return to node-local
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# ephemeral source ports via the host path.
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apiVersion: cilium.io/v2
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kind: CiliumClusterwideNetworkPolicy
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metadata:
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name: host-ingress-vault-replies
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spec:
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nodeSelector: {}
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ingress:
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- fromEndpoints:
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- matchLabels:
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k8s:io.kubernetes.pod.namespace: vault
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app.kubernetes.io/name: vault
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component: server
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toPorts:
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- ports:
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- port: "32768"
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endPort: 60999
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protocol: TCP
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