Configuring Caching DNS Server Network Interfaces
You can configure the network interfaces for the Caching DNS server from the Manage Servers page in the local web UI.
Local Advanced Web UI
From the Operate menu, choose Manage Servers under the Servers submenu to open the Manage Servers page.
Select CDNS from the Manage Servers pane.
Click the Network Interfaces tab to view the available network interfaces that you can configure for the server. By default, the server uses all of them.
To configure an interface, click the Configure icon in the Configure column for the interface. This adds the interface to the Configured Interfaces table, where you can edit or delete it.
Click the name of the configured interface to edit the configured interfaces, where you can change the address, direction and port of the interface.
Click Modify Interface when you are done editing, then click Go to Server Interfaces to return to the Network Interfaces page.