On 26 August 2011 06:37, Peter Lindeman <pe...@lindeman.nl> wrote:
> Hello,
>
> I have a linux system running with 1 nic. (just local LAN) A Fritzbox is
> the DSL router, because of services of the Fritzbox (voip etc) I have to use
> the Fritzbox as the DSL router.
>
> Now I want to use the linux system as a VPN router so other devices on the
> local lan can use that VPN connection.
>
> I have setup shorewall but I cannot get it to work. I have monitored the
> traffic with Wireshark and when I for instance try to open a webpage over
> the VPN connection I see a SYN packet being sent into the tunnel. I see a
> SYN ACK returning via the VPN but there it ends, the SYN ACK is not being
> sended to the machine on the local lan.
>
> Anybody has an idea where to look or what ever other information do I need
> to post to make more clear what is going wrong?
>
>
Your problem is probably a simple one - the fritzbox needs a route added
back to the VPN clients. I hope you are using OpenVPN in roadwarrior mode,
and so you simply need to add a route on the fritzbox to whatever subnet
your VPN clients are on, out the LAN ip of the VPN box.
Dave
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