Re: How do people use npf with dhcpcd?

[Greg Troxel <gdt%lexort.com@localhost>]

Sad Clouds <cryintothebluesky%gmail.com@localhost> writes:

> On Sun, 28 Dec 2025 13:48:02 -0600 (CST)
> "John D. Baker" <jdbaker%consolidated.net@localhost> wrote:
>
>> Good points raised and perhaps others can shed some light on how to deal
>> with a multi-homed interface where one address is statically assigned and
>> the other is dynamic via DHCP.
>
> Strictly speaking "multihomed" refers to a machine with multiple
> network interfaces. If you assigned multiple IP addresses to the same
> interface this is called "IP aliasing".
>
> There may be some security implications when creating such firewall
> designs with only a single interface. It is best to physically isolate
> external and internal subnets, I think.

Or perhaps vlans, with switches providing separation, if you can't use
separate actual interfaces.  (Not to really disagree with your point.)