Mutual TLS Setup
Standard TLS verifies the server. Mutual TLS verifies both sides. Anubiz Engineering implements mTLS across your service communication — so every connection starts with cryptographic proof that both the client and server are who they claim to be. No shared API keys, no IP-based allow lists, no implicit trust.
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mTLS Architecture Design
We design mTLS deployment for your environment: service mesh-based (Istio, Linkerd) for Kubernetes workloads where sidecars handle TLS transparently, application-level for non-Kubernetes services where the application manages its own certificates, or proxy-based for legacy services that cannot be modified. Each approach has trade-offs in complexity, performance, and operational overhead — we choose based on your constraints.
Certificate Infrastructure
mTLS requires a certificate infrastructure that scales. We deploy an internal CA (Vault, cert-manager, or SPIRE) that issues short-lived certificates — 24 hours or less — with automatic rotation. Short lifetimes eliminate the need for revocation infrastructure since compromised certificates expire before they can be exploited. The CA issues thousands of certificates per day without human intervention.
Migration Strategy
Enabling strict mTLS across all services simultaneously is a recipe for outages. We migrate incrementally: first, deploy mTLS in permissive mode (accept both TLS and mTLS). Monitor which services communicate without certificates. Fix those services. Once all traffic uses certificates, switch to strict mode. The migration takes weeks, not days, with rollback capability at every stage.
Monitoring and Troubleshooting
mTLS failures are harder to debug than plaintext failures. We set up certificate expiry monitoring, TLS handshake error dashboards, and certificate chain validation alerts. Common issues — expired certificates, wrong CA trust bundle, SAN mismatch — are caught by automated checks before they cause connection failures. Debugging tools include certificate inspection endpoints and mesh diagnostic commands that verify mTLS status between any two services.
Why Anubiz Engineering
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