For communication with the Trellix ePO server that Common Catalog lists can be transferred from, you need to enable the internal REST (Representational State Transfer) interface on Web Gateway.
- Select Configuration | Appliances.
- On the appliances tree, select the appliance that you want to transfer Common Catalog lists to and click User Interface.
- Under UI Access, select both Enable Rest Interface over HTTP and Enable Rest Interface over HTTPS.
- Under Login Page Options, select Allow multiple logins per login name.
- Click Save Changes.