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Last updated: April 29, 2026
NAT was an addressing patch. It happens to drop unsolicited inbound packets. Many treat it as a firewall. It isn’t.
NAT was an addressing patch. It happens to drop unsolicited inbound packets. Many treat it as a firewall. It isn’t.
NAT doesn’t inspect outbound. Compromised host phones home freely. NAT doesn’t protect peer-to-peer; UPnP / hole-punching exists. NAT doesn’t protect against same-segment attacks.
The mindset: every “NAT protects us” claim should be replaced with “outbound firewall + segmentation + auth protect us.”
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