id=known-limitations>Known limitations</h2><ul><li>We only provide support for exporting these metrics via Prometheus.</li><li>We provide no support to generate TCP metrics.</li><li>We provide no proxy-side customization or configuration of the generated metrics.</li></ul></article><nav class=pagenav><div class=left><a title="Fine-grained control of Envoy statistics." href=/v1.4/docs/ops/configuration/telemetry/envoy-stats/><svg class="icon"><use xlink:href="/v1.4/img/icons.svg#left-arrow"/></svg>Envoy Stat