only configure the ALB and the Istio ingress gateway to encrypt the traffic
between them and to verify that they receive valid certificates issued by <a href=https://letsencrypt.org>Let&rsquo;s Encrypt</a>. In
order to specify that only the ALB is allowed to talk to the Istio ingress gateway, an additional Istio security policy
must be defined. In order to verify that the ALB indeed talks to the Istio ingress gateway, additional configuration
must be added to the ALB. The additional configuration of the Ist