WireGuard

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wikipedia:WireGuard

WireGuard is a free and open-source software application and communication protocol that implements virtual private network techniques to create secure point-to-point connections in routed or bridged configurations. It use Noise protocol framework, Curve25519, ChaCha20, Poly1305, BLAKE2, SipHash24 and HKDF.

 $ sudo apt install wireguard

Included in March 2020 into the Linux Kernel 5.6

• NordVPN offers NordLynx built on WireGuard

WireGuard's encryption speed claims to be faster that IPsec group protocols.

Tailscale

Tailscale, formed in March 2019.

• It's based on peer-to-peer VPNs rather than piping all VPN traffic through a single concentrator.

• Maintains a database of endpoints on its server, so that when client X needs to talk to client Z, it fetches the endpoint details and then makes a direct connection. It's calls this a mesh network.

Tailscale works info: https://tailscale.com/blog/how-tailscale-works/

Price

• Solo: Free
• Connectivity: $10
• Security: $20
• Enterprise: on request

See also

• VPN: IPsec (Openswan), OpenVPN, Forticlient, GlobalProtect (PAN-OS), WireGuard (Linux Kernel), Tailscale, PulseSecure, WebVPN, SoftEther, ESP, IKE, AWS VPN, Zerotier, VPN client, Pritunl, GCP Cloud VPN, Mesh virtual private network, Mullvad