Default host header for ingress gateway

It is possible to set a default value for http header “Host” for istio ingress gateway requests?

For example, I have the ingress gateway exposed in

To call a service in istio mesh I do this curl:

curl -H Host:my-service.namespace.svc.cluster.local

I want to be able to just make:


But when I ommit the Host header, I want it to be the default “my-service.namespace.svc.cluster.local”