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mtls

Implement Mutual TLS for service-to-service authentication in Kubernetes clusters.

Updated Jun 5, 2026
Search Tags:#security#encryption#mTLS#SPIFFE#service authentication
One-click install
npx skills add https://github.com/hung-phan/system-skills --skill mtls
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mtls
Source: https://github.com/hung-phan/system-skills/tree/main/skills/system-review/references/security/mtls
Command: npx skills add https://github.com/hung-phan/system-skills --skill mtls

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires python, spire, istio, linkerd, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill helps you implement Mutual TLS (mTLS) for service-to-service authentication, addressing security concerns like spoofed internal RPCs and lateral movement after a host compromise.

Core Features & Use Cases

  • Service-to-Service Authentication: Ensures services authenticate each other based on cryptographic proof, not network position.
  • Encryption-in-Transit: Enforces encryption between services, meeting compliance demands like PCI, HIPAA, and FedRAMP.
  • Use Case: Use this Skill to set up mTLS for internal services, ensuring secure communication and compliance with industry standards.

Quick Start

Use the mtls skill to configure mTLS for the service 'payment-service' in your cluster.

Frequently Asked Questions about mtls

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement mutual TLS for service-to-service authentication in Kubernetes?▼

Implement mutual TLS for service-to-service authentication by issuing cryptographic certificates and enforcing encryption-in-transit. This Skill provides certificate issuance, rotation, and service mesh integration using SPIFFE/SPIRE.

When do I need mutual TLS for internal services?▼

You need mutual TLS for internal services to prevent spoofed internal RPCs and lateral movement after a host compromise. It enforces encryption-in-transit between services, meeting compliance demands like PCI, HIPAA, and FedRAMP.

Can I use Istio or Linkerd to configure mTLS for my cluster?▼

Yes, you can configure mTLS using Istio or Linkerd. This Skill integrates with service mesh technologies to provide certificate rotation and secure communication within your Kubernetes cluster.

What's the best way to automate certificate issuance for SPIFFE in a service mesh?▼

Automate certificate issuance for SPIFFE by integrating a SPIRE agent with your service mesh. This Skill handles automated certificate rotation and cryptographic identity verification for secure service-to-service communication.

Do I need Python and a SPIRE agent setup to secure service communication with mTLS?▼

Yes, securing service communication with mTLS requires Python libraries and a SPIRE/SPIRE agent setup. These dependencies provide the cryptographic proof and identity framework needed for service mesh integration.

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