> On 16 Aug 2023, at 00:27, Mario Marietto via Dng <dng@???> wrote:
>
> 
> Modules are there,it seems :
>
> root@devuan:~# ls /lib/modules/`uname -r`/kernel/net/netfilter/
> x_tables.ko xt_tcpudp.ko
>
> root@devuan:~# ls /lib/modules/`uname -r`/kernel/net/ipv4/netfilter/
> ip_tables.ko
>
> --
> Mario.

Maybe you could try the newer nftables instead of iptables? The package name is `nftables`. I wonder if that is better supported on the Chromebook?

https://netfilter.org/

https://wiki.nftables.org/wiki-nftables/index.php/Moving_from_iptables_to_nftables

Tom