Re: How to prevent an interface from sending packets with its own hardware address?

> On 27. May 2025, at 17:12, Fabio Martins <misc@phosphorus.com.br> wrote:
>
> Had setup some Asterisk solutions in the past, and some voip codecs/plugins are indeed annoying.
>
> Is the PBX IP address a public one?

No. It is located behind an OpenBSD firewall/router on a private lan: 192.168.xx.yy.
>
> On 5/27/25 06:55, Heinrich Rebehn wrote:
>> I have a (Linux) PBX (FreePBX) that I want to protect with an OpenBSD firewall since I am not familiar with Linux' builtin firewall and also I would like to separate things.
>
> --
> Fabio
>