On Aug 25, 2011, at 1:37 PM, Peter Lindeman wrote:

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?

Please see http://www.shorewall.net/support.htm#Guidelines for the information we need to diagnose connection problems.


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