Oracle on AWS/ec2 - multiple listener

We have an oracle database in AWS EC2( no rac) running with a single listener configured
we want to attach a second NIC card to the instance and configure a second listener to accept requests from the pubic internet only so we will essentially have two listeners for the same DB (11g) - one for internal private use (corporate network) configured the other listener we want to configure it to allow public access , allow it to accept incoming connection from the internet only This listener configured on the new NIC will be configured thru firewall and accept traffic from public internet. Is it possible to have such a configuration Or is it better to have a remote listener configuration for the external access only and local listener for the internal traffic Looking for tips/ guidance from the group