reates the authorization policy, <code>ingress-policy</code>, for
the Istio ingress gateway. The following policy sets the <code>action</code> field to <code>ALLOW</code> to
allow the IP addresses specified in the <code>ipBlocks</code> to access the ingress gateway.
IP addresses not in the list will be denied. The <code>ipBlocks</code> supports both single IP address and CIDR notation.
Create the authorization policy:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f