 request. While an Istio <code>VirtualService</code> cannot configure a target like this, we are able to use
<code>EnvoyFilter</code>s to alter the Istio generated routing instructions so that the SNI header is used to determine the target.</p><p>To make it all work, we start by configuring a custom egress gateway to listen for the outbound traffic. Using
a <code>DestinationRule</code> and a <code>VirtualService</code> we instruct the application sidecars to route the traffic (for a selected
list of hostnam