Linux kernel 5 different behavior

Jason A. Donenfeld Jason at
Sun Aug 25 21:07:40 CEST 2019

On Sun, Aug 25, 2019 at 1:03 PM Vasili Pupkin <diggest at> wrote:
> Yes. On kernel version 4, outer packets (i.e. encrypted packets) are
> sent from privileged user
> account credentials so they pass the iptables sandbox. On kernel 5
> they inherit owner id of the user who sent unencrypted packets.

Can you use the `fwmark` option and adjust your rules to match on
!1234 or the like?

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