How to view Network Access Control Lists (ACLs)
To view Network ACLs in an AWS environment, open up an infrastructure view diagram and click the padlock icon at the top right of the VPC.
This will change to attribute pane on the right hand side to show security groups, route tables and network ACLs
Hover your cursor over a Network ACL in the list and the attached subnets will be highlighted on the interactive diagram.
You can view more details relating the to the individual ACL by clicking on the ACL name.
The Attribute pane will change to display the ACL details :