The protocol used by SoftEther VPN for VPN communications are version 3 of the global security standard Secure Socket Layer (SSL). SoftEther VPN includes several technical innovations to increase speed and enhance security of VPN communications.
However, as for SoftEther VPN protocol, by dexterously controlling and optimizing TCP/IP connection establish carrying out to VPN communication while developing, communication will be optimized and be more efficient then ever. In the case where SoftEther VPN is used for a network with sufficient bandwidth, SoftEther VPN Project has succeeded in realizing higher speed and lower delay for so the user of VPN communication that you would never sense a bit of difference in whether communication is carried out via VPN or directly flowing on a physical network.
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OpenVPN is a virtual private network (VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It implements both client and server applications. OpenVPN allows peers to authenticate each other using pre-shared secret keys, certificates or username/password. When used in a multiclient-server configuration, it allows the server to release an authentication certificate for every client, using signatures and certificate authority.
It uses the OpenSSL encryption library extensively, as well as the TLS protocol, and contains many security and control features. It uses a custom security protocol[11] that utilizes SSL/TLS for key exchange. It is capable of traversing network address translators (NATs) and firewalls.
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