Campagnol is a distributed IP-based VPN program able to open new connections through NATs or firewalls without any configuration. It uses UDP for the transport layer, and utilizes tunneling and encryption (with DTLS) and the UDP hole punching NAT traversal technique. The established connections are P2P. License: GNU General Public License v3 Changes:
This release added a rate limiter to the client (on a per connection basis or as a whole) and the ability to limit the maximum number of clients connected to the RDV server. The client now supports OpenBSD.