On Sun, Jul 19, 2020 at 02:24:36PM +0200, Matthieu Herrb wrote: > Trying to look at IPv6 traffic on my wireguard VPN with > > tcpdump -n -i wg0 ip6 > > also shows all IPv4 traffic. Other interfacees seem to filter the v6 > protocol correctly. This happens for all interfaces without link-layer, e.g. lo(4) as well; see `tcpdump -c1 -ilo0 ip & ping6 -qc1 ::1'.
> Any suggestion before I try to dig into the kernel code (which I'm not > really familiar with) ? Not yet, but I'm curiously looking at this.
