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Prior name: Tornevall Networks RaspTunnel.

Tornevall Networks RaspTunnel is an experimental project where we're adding micro servers into a DMZ-controlled environment. Main purpose is ipv6 GRE-tunneling with the help from your primary router, which should be configured to route traffic to a DMZ-address, where this micro server, known as Raspberry pi, are the tunnel gateway.

The Tornevall Tunneling is a semi-production project where we were adding microservers into a DMZ-controller environments. The main purpose was to get full IPv6 connectivity through GRE tunneling. The backside of GRE tunneling usually is that it is REQUIRED to put such tunnels primarily as an external first-connection device (by means: The device hosting the GRE tunnel must be your primary inbound connection, which is where the DMZ comes in).

For the moment, to create more stability, we instead build all solutions on OpenVPN which also gives the possibility to aquire local IPv4 addresses if necessary . Or if you like, LAN access.

The tunnel project has a primary goal: To configure ipv6 tunnels, where they are normally not reachable (ISP's that for example have no idea of what they are doing), or where the ip range is weakly configured without proper reverse PTR's.

How does it work?

No prior configuration or ip rule settings are required anymore. You only need OpenVPN and permission. Then it is up to you how your local endpoint are configured. Either we give you a simple IPv4/32 or IPv6/128 address, or we give you a /64 IPv6 subnet, as this is the smalles required size of a IPv6 subnet for DHCPv6 to work properly.

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