if tls == nil {
		return nil, nil
	}
	// Explicitly not supported: file mounted
	// Not yet implemented: TLS mode, https redirect, max protocol version, SANs, CipherSuites, VerifyCertificate
	out := &istio.ServerTLSSettings{
		HttpsRedirect: false,
	}
	mode := k8s.TLSModeTerminate
	if tls.Mode != nil {
		mode = *tls.Mode
	}
	namespace := gw.Namespace