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A comment on IPv6 Is a Nightmare. Parent comment
NAT just happens to serve as a form of firewalling in IPv4 land because usually, the stuff behind your router has a private address.
Proper firewalling is a matter of policies; it's completely orthogonal to whether your devices have a globally routable address or not.
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NAT just happens to serve as a form of firewalling in IPv4 land because usually, the stuff behind your router has a private address.
Proper firewalling is a matter of policies; it's completely orthogonal to whether your devices have a globally routable address or not.