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n2n

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description n2n Overview

n2n is an open-source, layer-two peer-to-peer virtual private network application developed by ntop. It distinguishes itself from traditional VPNs by utilizing a decentralized architecture where edge nodes connect directly to each other via a supernode. The software encrypts data packets to establish secure tunneling between network endpoints. It is designed for users who need to create flexible, self-hosted overlay networks for connecting distributed devices across the internet.

help n2n FAQ

What are n2n supernodes and edge nodes?

An edge node runs on each device that joins an n2n virtual network. A supernode helps those edges discover one another and traverse NAT, but ordinary traffic can pass directly between peers when connectivity permits.

Does n2n route all internet traffic through the VPN?

Not by default. N2n creates a peer-to-peer Layer 2 network, so using it as a full internet tunnel requires additional routing, forwarding, and gateway configuration.

How is n2n different from WireGuard?

N2n presents a virtual Ethernet-style network and uses supernodes for peer discovery and NAT traversal. WireGuard is an IP-layer VPN with a smaller, more opinionated cryptographic protocol and normally requires peers or orchestration to know endpoint details.

Can n2n connect devices behind separate home routers?

Yes. NAT traversal is one of n2n's core purposes, and a reachable supernode helps edge nodes establish peer-to-peer paths across different networks.

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