n2n is an open source Layer 2 over Layer 3 VPN application which utilises a peer-to-peer architecture for network membership and routing.
Unlike many other VPN programs, n2n can also connect computers which reside behind NAT routers. These connections are set up with help from a third computer that both computers can reach. This computer, called a supernode, can then route the information between NATed nodes[1].
It is free software licensed under the terms of the GNU General Public License v3.
[edit] References
- ^ http://www.ntop.org/products/n2n/ : "[the supernode] is basically a directory register and a packet router for those nodes that cannot talk directly"
[edit] External links
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