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Using Public IP Addresses on an Interface

Outbound NAT to use a routable/public IP address subnet on the LAN.

In the pfSense® webGUI, navigate to Firewall > NAT, Outbound tab and select Manual Outbound NAT. Click Save, then remove the automatically generated NAT rule(s) referencing the public IP address subnets. Click Apply Changes and then for good measure, Resetting Connection States.