Individual skill
implementing-kubernetes-network-policy-with-calico
Installs Calico as the cluster CNI and writes standard Kubernetes NetworkPolicy under it, covering default-deny baselines, policy ordering and precedence, service-account-based selectors, and verifying that policy is genuinely being enforced. Use when adopting Calico as the enforcement CNI, establishing a default-deny baseline, or debugging why a NetworkPolicy is not taking effect under Calico. Keywords: Calico CNI, NetworkPolicy, default deny, policy order, Felix, service account selector. Do not use for Calico-only CRDs such as GlobalNetworkPolicy or DNS egress - use implementing-container-network-policies-with-calico; for CNI-agnostic policy use implementing-network-policies-for-kubernetes.
skills/implementing-kubernetes-network-policy-with-calico/SKILL.md
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- Aug 31, 2026
- License
- Apache-2.0
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- ai-agents Repository topic
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- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- calico Declared skill tag
- kubernetes Declared skill tag
- network-policy Declared skill tag
- network-segmentation Declared skill tag
- zero-trust Declared skill tag
- cni Declared skill tag
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- devops-containers Derived category
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# Implementing Kubernetes Network Policy with Calico
## Overview
Calico is an open-source CNI plugin that provides fine-grained network policy enforcement for Kubernetes clusters. It implements the full Kubernetes NetworkPolicy API and extends it with Calico-specific GlobalNetworkPolicy, supporting policy ordering, deny rules, and service-account-based selectors.
## When to Use
- When deploying or configuring implementing kubernetes network policy with calico capabilities in your environment
- When establishing security controls aligned to compliance requirements
- When building or improving security architecture for this domain
- When conducting security assessments that require this implementation
