envoy/latest/configuration/upstream/cluster_manager/cluster_stats>Upstream connection</a></li><li><a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/listeners/stats>Listener</a></li><li><a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_conn_man/stats>HTTP Connection Manager</a></li><li><a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/listeners/network_filters/tcp_proxy_filter#statistics>TCP proxy</a></li><li><a href="https://www.envoyproxy.io/docs/en