feat(pihole): add CiliumNetworkPolicies for dns namespace#145
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madic-creates wants to merge 1 commit into
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feat(pihole): add CiliumNetworkPolicies for dns namespace#145madic-creates wants to merge 1 commit into
madic-creates wants to merge 1 commit into
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pihole-01 and pihole-02 shared the dns namespace with no network policies at all, leaving DNS infrastructure unprotected. Add: - dns-default-deny: namespace-wide default-deny covering all pods in the dns namespace (pihole-01, pihole-02, exporter, nebula-sync) - pihole: allows DNS/53 ingress from all cluster pods, web UI access from Traefik, cloudflared DoH port from cert-manager, Prometheus API access from pihole-exporter, and egress to world/443 for cloudflared upstream resolution - pihole-exporter: allows Prometheus scrape on 9617 from monitoring namespace, egress to pihole API on 80 - nebula-sync: allows egress to pihole HTTP API for config sync Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
dnsnamespaceapps/pihole-01/kustomization.yaml