SoftEther - Free VPN Server on Ubuntu 18.04 LTS is an open-source VPN software that offers both a secure VPN protocol and a versatile VPN server. The Server is pretty popular since it offers strong encryption while also providing fast speed it’s cross-platform compatible as well.
SoftEther - Free VPN Server on Ubuntu 18.04 LTS includes features:
SoftEther VPN - Free VPN Server relies on a client-server architecture with support for six of the most popular VPN protocols, namely: EtherIP, IPsec, L2TP, OpenVPN, MS-STTP and L2TPv3. VPN tunnels are established securely, so the transmission of information will be protected in the best way possible.