Security

Mutual TLS (mTLS) adds a critical security layer to your Kubernetes applications by requiring clients to authenticate with certificates—not just passwords or tokens. This guide covers per-ingress mTLS configuration with Traefik Ingress Controller, using Traefik’s native TLSOption CRD for fine-grained control over which services require client certificate authentication.

Mutual TLS (mTLS) adds a critical security layer to your Kubernetes applications by requiring clients to authenticate with certificates—not just passwords or tokens. This guide covers per-ingress mTLS configuration with NGINX Ingress Controller, giving you fine-grained control over which services require client certificate authentication.