A router that accepts inbound packets with 1918 dsts on the wan port is a broken... | Hacker News

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		sneak on July 28, 2021 \| parent \| context \| favorite \| on: IPv4 pricing A router that accepts inbound packets with 1918 dsts on the wan port is a broken router.

icedchai on July 28, 2021 [–]

Not necessarily. Routers can be used internally. Even consumer level routers are used in weird dual NAT situations.

(Also there is no requirement that you use RFC-1918 addresses behind NAT.)

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