trong>Response Code</strong>: This identifies the response code of the request. This
label is present only on HTTP metrics.</p></li><li><p><strong>Connection Security Policy</strong>: This identifies the service authentication policy of
the request. It is set to <code>mutual_tls</code> when Istio is used to make communication
secure and report is from destination. It is set to <code>unknown</code> when report is from
source since security policy cannot be properly populated.</p></li><li><p><strong>Response 