SoftEther VPN
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Original author(s) | SoftEther VPN Project at the University of Tsukuba |
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Developer(s) | Daiyuu Nobori, Tetsuo Sugiyama, Takao Ito, Christopher Smith, Mei Sharie Ann Yamaguchi and other contributors. |
Initial release | January 4, 2014 |
Development status | Active |
Written in | C and C++ |
Operating system | Windows, Linux, macOS, FreeBSD, Solaris, iOS, Android |
Platform | Cross-platform |
Available in | English, Japanese and Simplified-Chinese |
Type | VPN |
License | GPL v2 |
Website | softether |
SoftEther VPN is free open-source, cross-platform, multi-protocol VPN client and VPN server software, developed as part of Daiyuu Nobori's master's thesis research at the University of Tsukuba. VPN protocols such as SSL VPN, L2TP/IPsec, OpenVPN, and Microsoft are provided in a single VPN server. It was released using the GPLv2 license on January 4, 2014.
SoftEther VPN supports NAT traversal, making it useful to run VPN servers on computers that are behind residential gateways, facility routers, and firewalls. Firewalls performing deep packet inspection are unable to detect SoftEther's VPN transport packets as a VPN tunnel because HTTPS is used to camouflage the connection.
SoftEther VPN optimizes performance by using full Ethernet frame utilization, reducing memory copy operations, parallel transmission, and clustering. Together, these reduce latency normally associated with VPN connections while increasing throughput.
SoftEther VPN Server and VPN Bridge run on Windows, Linux, OS X up to OS X 10.8, FreeBSD, and Solaris operating systems. SoftEther VPN Client runs on Windows, Linux, and macOS.
SoftEther VPN Server serves the SoftEther VPN protocol, but it also serves OpenVPN, Microsoft (SSTP), SSL VPN, EtherIP, L2TPv3, and IPsec. It serves mobile devices running iOS, Android, and Windows Phone via L2TP/IPsec.