so requires the
protocol to be TCP; an empty protocol is acceptable as TCP is the default value.</p><h2 id=example>Example</h2><p>You will receive this message:</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>Warn [IST0119] (Policy secure-httpbin.default) Authentication policy with JWT targets Service with invalid port specification (port: 8080, name: svc-8080, protocol: TCP, targetPort: 80).
</code></pre><p>when your cluster has following policy:</p><pre><code class=language-yaml d