Is NAT can provide some kind of protection?

Steven Kurylo skurylo+nanog at gmail.com
Wed Jan 12 13:39:59 CST 2011


> There is a least one situation where NAT *does* provide a small amount of
> necessary security.
>
> Try this at home, with/without NAT:
>
> 1. Buy a new PC with Windows installed
> 2. Install all security patches needed since the OS was installed
>
> Without NAT, you're unpatched PC will get infected in less than 1 minute.

Its the firewall included with the NAT which protects against the
infection, not the NAT.

So you can remove the NAT, leave the firewall, and be just as secure.




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