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VpnCloud - Peer-to-Peer VPN
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**VpnCloud** is a simple VPN over UDP. It creates a virtual network interface on
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the host and forwards all received data via UDP to the destination. VpnCloud
establishes a fully-meshed VPN network in a peer-to-peer manner. It can work
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on TUN devices (IP based) and TAP devices (Ethernet based). Tunneling traffic
between two nodes can be as easy as:
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$> vpncloud -c REMOTE_HOST:PORT --ifup 'ifconfig $IFNAME 10.0.0.1/24 mtu 1400 up'
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For more information, please see the [Website ](https://vpncloud.ddswd.de ).
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### Project Status
This project is still [under development ](CHANGELOG.md ) but has reached a
somewhat stable state. VpnCloud features the following functionality:
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* Setting up tunnels between two networks via Ethernet (TAP) and IP (TUN)
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* Connecting multiple networks with multiple forwarding behaviors (Hub, Switch,
Router)
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* Encrypted connections
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* Automatic peer-to-peer meshing, no central servers
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* NAT and (limited) firewall traversal using hole punching
* Automatic reconnecting when connections are lost
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* Non-native forwarding modes, e.g. IP based learning switch and prefix routed
Ethernet networks.
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* High throughput and low additional latency (see [performance page ](https://vpncloud.ddswd.de/features/performance ))
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* Support for tunneled VLans (TAP device)
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* Option to hide protocol header
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* Automatic port forwarding via UPnP
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* Support for publishing [beacons ](https://vpncloud.ddswd.de/docs/beacons ) to help nodes find each others
* Support for statsd monitoring
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### Installing
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#### Compiling from source
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Prerequisites: Git, [Cargo ](https://www.rust-lang.org/install.html ), asciidoctor
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The checked-out code can be compiled with ``cargo build`` or ``cargo build --release`` (release version). The binary could then be found in `target/release/vpncloud` .
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The tests can be run via ``cargo test``.
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#### Cross-Compiling & packaging
Please see the [builder folder ](builder ).
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### Contributions welcome
There are several areas in which still some work has to be done and where
contributions are very welcome:
* **Linux packages**: VpnCloud is stable enough to be packaged for Linux
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distributions. Maintainers who want to package VpnCloud are very welcome.
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* **Security review**: The security has been implemented with strong security
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primitives but it would be great if a cryptography expert could verify the
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system.
* **Feedback on use cases**: Some feedback on how VpnCloud is being used and
maybe some tutorials covering common use cases would be nice.
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### Semantic Versioning
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This project uses [semantic versioning ](http://semver.org ).
