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# 命名空间内默认拒绝所有 ingress(§3.5 / §4.4)。依赖 CNI 强制(Cilium)。
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: default-deny-ingress
namespace: dsh-poc
spec:
podSelector: {}
policyTypes: [Ingress]
# 空 ingress = 拒绝一切入站