Hello,
> When thinking about firewalls (and routing, for that matter), imagine
> OpenVPN as a black box sitting on a "second network card" connected
> to the linux machine.
> So there's iptables on the tun interface connecting "linux networking"
> and "openvpn black box" - packets towards openvpn (and the other side
> of the VPN) are processed "out on tunX", while packets coming from
> the VPN are processed "in on tunX".
That`s how the picture looked in my mind the first time and made the
first diagram. Then changed it twice to correct the order of
comp/frag/enc. and traffic NOT passing routing & iptables
from OpenVPN to tun and back.
Attached new diagram no.4
Thanks for looking into this,
Pippin
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