eceived during request in case of a TCP connection.</p></li><li><p><strong>Tcp Connections Opened</strong> (<code>istio_tcp_connections_opened_total</code>): This is a <code>COUNTER</code> incremented for every opened connection.</p></li><li><p><strong>Tcp Connections Closed</strong> (<code>istio_tcp_connections_closed_total</code>): This is a <code>COUNTER</code> incremented for every closed connection.</p></li></ul><h2 id=labels>Labels</h2><ul><li><p><strong>Reporter</strong>: This identifies the reporter