mtls

For internal service-to-service calls, mutual TLS is a pragmatic way to get strong identity without bespoke auth headers. The main pitfalls are certificate rotation and trust configuration. I build a x509.CertPool from a dedicated internal CA, load a

mTLS is one of the cleanest ways to tighten internal service trust when you control both sides of the connection. I use it for sensitive east-west traffic where bearer credentials alone are too weak. Certificate lifecycle and revocation planning matte