ted settings for upstream connections. See Envoy&rsquo;s <a href="https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/transport_sockets/tls/v3/common.proto.html#common-tls-configuration">TLS
context</a>
for more details. These settings are common to both HTTP and TCP upstreams.</p>
<p>For example, the following rule configures a client to use mutual TLS
for connections to upstream database cluster.</p>
<pre><code class="language-yaml">apiVersion: networking.istio.io/v1
kind: DestinationRule
metada