mxcl/homebrew — pull request #23657 by eugenesan (2013-10-27 07:44:47+00:00)
Title: n2n_v2: v2.1

n2n is a layer-two peer-to-peer virtual private network (VPN) which
allows users to exploit features typical of P2P applications at
network instead of application level.

http://www.ntop.org/products/n2n/