When a Kubernetes L7 Network Policy Doesn't Apply: An eBPF (Cilium) Debugging Workflow
When HTTP header-based L7 network policies fail in Kubernetes, simply re-applying them will not fix the problem. This guide analyzes eBPF vs. iptables, diagnoses three policy-failure pitfalls, and presents a practical debugging workflow usi
Jun 22
Resolving K8s NetworkPolicy Communication Errors: A Calico vs Cilium (iptables vs eBPF) Comparison Guide
This guide analyzes the root causes of NetworkPolicy failures by comparing how each CNI enforces policy (iptables vs eBPF). It then walks through a practical, step-by-step debugging workflow for capturing packets at the node level when Egre
Jun 18
Service Mesh: Istio vs Linkerd vs Cilium Compared
Once you have more than about 10 microservices, putting retries, circuit breakers, mTLS, and tracing into every service becomes redundant and inefficient. This post compares Istio, Linkerd, and Cilium so you can pick the right mesh—or skip
May 24