Similar to Virtual_private_network

Virtual private network

OpenVPN

Proton VPN

Riseup

WireGuard

Check Point VPN-1

LogMeIn Hamachi

Linux Unified Key Setup

OpenSSL

Openswan

Peer-to-peer

Tor (network)

ARP spoofing

CERT Coordination Center

Datagram Congestion Control Protocol

Diameter (protocol)

Distributed Sender Blackhole List

ALTQ

Datagram Transport Layer Security

IPsec

VPN blocking

Web application firewall

Extranet