alt Hacker News> The truth of the matter is that NAT absolutely _is_ a firewall in _practice_.
No it's not. NAT is not ever a firewall. By definition it is not.
> The truth of the matter is that NAT absolutely _is_ a firewall in _practice_.
No it's not. NAT is not ever a firewall. By definition it is not.
What is the definition of a "firewall"?
And it doesn't really matter. You can call it "alksjfaliskdfgh" if you wish. The fact is, NAT adds a security barrier that is incredibly effective in practice.