Re: IPv4 flag day

Marco Moock via NANOG <[email protected]> Thu, 18 Jun 2026 17:11:51 +0200
Newsgroups gmane.org.operators.nanog
Message-ID <[email protected]>
Am 18.06.26 um 16:42 schrieb William Herrin:
> I'm almost never looking for a stateful packet inspector that isn't
> doing NAT.  Stateful gives it most of the same drawbacks of NAT
> without the benefit of making my internal network inaddressible from
> outside. But YMMV: a lot of folks don't have the comfort level with
> stateless packet filters that I do, and SPIs do offer some additional
> protection to hosts intended to be reached from the Internet.

If you really want, you can combine SPI firewalling with NAT66 (1:1 
matching if you want).

For me, NAT and the aspect that the machines are not addressable from 
the outside is a large disadvantage.

I do whatever I can with IPv6.

-- 
Gruß
Marco

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