Re: dummy net iface?

Paul Robert Marino <[email protected]> Fri, 20 Feb 2026 06:39:15 -0500

Newsgroups	gmane.comp.security.firewalls.netfilter.general
Message-ID	<CAPJdpdBYt-VTdjeZ-X8BeLNTuxSmKssacgZEin9jFjypEqkEUA@mail.gmail.com>

Did you enable ip_forward in sysctl ?

On Fri, Feb 20, 2026 at 6:09 AM listy <[email protected]> wrote:
>
> Hi guys.
>
> 'dummy' network interface - I get that those are meant to be
> kind of a sing/black-hole but... should such iface not
> port-forward on itself? (as oppose to other ifaces, which it
> does not I think)
> So, I cannot get "normal" port-forward - firewalld with
> nftables as per default in Fedora, which I try to do it with
> - because it needs more tweaking for "dummy" ifaces _do_
> port-forwarding or.. they do _not_ - do you know?
>
> many thanks, L.
>