onfiguration namespace, it is only valid
to have a single workload selector-less <code>ProxyConfig</code> resource.</p>
<p>For resources with a workload selector, it is only valid to have one resource selecting
any given workload.</p>
<p>For mesh level configuration, put the resource in the root configuration namespace for
your Istio installation <em>without</em> a workload selector:</p>
<pre><code class="language-yaml">apiVersion: networking.istio.io/v1beta1
kind: ProxyConfig
metadata:
  name: my-proxyconf