Re: IPv6 uptake (was: The Reg does 240/4)

[Owen DeLong via NANOG <nanog () nanog org>]

> On Feb 16, 2024, at 14:20, Jay R. Ashworth <jra () baylink com> wrote:
>
> ----- Original Message -----
> > From: "Justin Streiner" <streinerj () gmail com>
>
> > 4. Getting people to unlearn the "NAT=Security" mindset that we were forced
> > to accept in the v4 world.
>
> NAT doesn't "equal" security.
>
> But it is certainly a *component* of security, placing control of what internal
> nodes are accessible from the outside in the hands of the people inside.

Uh, no… no it is not. Stateful inspection (which the kind of NAT (actually NAPT) you are assuming here depends on) is a 
component of security. You can do stateful inspection without mutilating the header and have all the same security 
benefits without losing or complicating the audit trail. 

Owen