Tag: #network-policy

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• Cilium Network Policy in Practice — Zero Trust from L3 to L7 and DNS

  A hands-on guide to going beyond the limits of Kubernetes NetworkPolicy with CiliumNetworkPolicy, controlling L3/L4/L7 and DNS-based egress. Covers a four-stage default-deny rollout roadmap, a Hubble-driven policy author

  2026-06-13 · 14 min read #cilium#network-policy#zero-trust#kubernetes#security

• Kubernetes Networking Deep Dive Guide 2025: CNI, Service, Ingress, DNS, Network Policy

  Everything about K8s networking! Pod networking model, CNI plugins (Calico/Cilium/Flannel), Service (ClusterIP/NodePort/LoadBalancer), Ingress vs Gateway API, CoreDNS, Network Policy, eBPF-based networking, and traffic f

  2026-04-14 · 24 min read #kubernetes#networking#cni#service#ingress

• Complete Guide to Kubernetes Network Policy and Service Mesh (Istio, Cilium, Calico Comparison)

  Compare and analyze traffic control between microservices using Network Policy in Kubernetes environments, along with the architecture, implementation, and operational strategies of Istio and Cilium Service Mesh.

  2026-03-14 · 16 min read #kubernetes#network-policy#service-mesh#istio#cilium

• Kubernetes Network Policy with Calico and Cilium Microsegmentation

  A comprehensive guide to Kubernetes network security using Network Policies with Calico and Cilium for microsegmentation.

  2026-03-12 · 21 min read #kubernetes#network-policy#calico#cilium#security

• The Complete Guide to Kubernetes Network Policy: Zero Trust Network Security with Cilium and Calico

  A comprehensive deep dive from Kubernetes NetworkPolicy fundamentals through Cilium CiliumNetworkPolicy (L3-L7 filtering, DNS-based policies, eBPF) and Calico GlobalNetworkPolicy. Covers Default Deny strategy, namespace

  2026-03-11 · 15 min read #kubernetes#network-policy#cilium#calico#zero-trust

• Kubernetes Network Security with Cilium and eBPF: From L3/L4/L7 Policies to Encryption

  Hands-on practice with Cilium CNI eBPF-based network policies. Going beyond the limitations of standard NetworkPolicy, we cover L7 HTTP/gRPC filtering, DNS-based policies, WireGuard encryption, and Hubble monitoring.

  2026-03-03 · 9 min read #kubernetes#cilium#ebpf#network-policy#security