> On 13 Jun 2017, at 18:49, Pippin1st via Openvpn-users 
> <openvpn-users@lists.sourceforge.net> wrote:
> 
> Hello,
> 
> I`m trying to draw a picture where one can see how packets are flowing in a 
> routed tun setup.
> 
> Using the Gigabit article from JJK and various iptables/routing articles i 
> come to attached picture.
> Since last time i spend time on this picture i added tcpip stack squares 
> today.
> 
> So, my first question is, how close am I?

One thing I would like to highlight is that it seems that packets going from 
the App to tun0 are then re-entering routing/iptables before reaching OpenVPN.
This should not happen because packets entering tun0 are then directly 
delivered to OpenVPN.

(not sure how this could be fixed in the diagram)

Cheers,

--
Antonio Quartulli



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