On Sat, Oct 28, 2017 at 1:44 PM, Nikos Chantziaras <realnc@gmail.com> wrote:
>
> There is no such kernel option.

Yes, there is[1]. However, there is no such option for kernel version
4.9[2], although there is for 4.10[3]. I think that's the problem, for
using the firewall BPF options of systemd, you'll need to use kernel
version >= 4.10.

Regards.

[1] https://github.com/torvalds/linux/blob/master/init/Kconfig#L848
[2] https://github.com/torvalds/linux/blob/v4.9/init/Kconfig
[3] https://github.com/torvalds/linux/blob/v4.10/init/Kconfig#L1157
--
Dr. Canek Peláez Valdés
Profesor de Carrera Asociado C
Departamento de Matemáticas
Facultad de Ciencias
Universidad Nacional Autónoma de México