n2n 1.3.2

A layer-two peer-to-peer (P2P) virtual private network (VPN).
n2n is a layer-two peer-to-peer (P2P) virtual private network (VPN) which allows users to exploit features typical of P2P applications at network instead of application level. This means that users can gain native IP visibility (e.g. two PCs belonging to the same n2n network can ping each other) and be reachable with the same network IP address regardless of the network where they currently belong. In a nutshell, as OpenVPN moved SSL from application (e.g. used to implement the https protocol) to network protocol, n2n moves P2P from application to network level.

The n2n architecture is based on two components:

- edge nodes: applications installed on user PCs that allow the n2n network to be build. Practically each edge node creates a tun/tap device that is then the entry point to the n2n network.
- an supernode: it is used by edge nodes at startup or for reaching nodes behind symmetrical firewalls. This application is basically a directory register and a packet router for those nodes that cannot talk directly.

Quickstart

- Download and compile the code
- Decide where to place your supernode. Suppose you put it on host a.b.c.d at port xyw.
- Decide what encryption password you want to use to secure your data. Suppose you use the password encryptme
- Decide the network name you want to use. Suppose you call it mynetwork. Note that you can use your supernode/edge nodes to handle multiple networks, not just one.
- Decide what IP address you plan to use on your edge nodes. Suppose you use IP address 10.1.2.0/24
- Start your applications:

#supernode > supernode -l xyw
#edge node1> edge -a 10.1.2.1 -c mynetwork -k encryptme -l a.b.c.d:xyw
#edge node2> edge -a 10.1.2.2 -c mynetwork -k encryptme -l a.b.c.d:xyw


Now test your n2n network:

#edge node1> ping 10.1.2.2
#edge node2> ping 10.1.2.1

last updated on:
March 6th, 2009, 11:35 GMT
price:
FREE!
developed by:
n2n developers
homepage:
www.ntop.org
license type:
GPL (GNU General Public License) 
category:
ROOT \ System \ Networking

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n2n
What's New in This Release:
  • Fixed race condition in TWOFISH causing packet loss and performance degradation. Affects WIN32 only.
  • Added -s < netmask > option to edge.
  • Added -M < MTU > option to edge.
  • Corrected missing man page options for edge
read full changelog

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