Windows下的全功能的SSL VPN解决方案 OpenVPN 更新至V2.4.0 增加AEAD(GCM)数据通道加密支持


OpenVPN 2.4.0 -- released on 2016.12.27 (Change Log)

Compared to OpenVPN 2.3 this is a major update with a large number of new features, improvements and fixes. Some of the major features are AEAD (GCM) cipher and Elliptic Curve DH key exchange support, improved IPv4/IPv6 dual stack support and more seamless connection migration when client's IP address changes (Peer-ID). Also, the new --tls-crypt feature can be used to increase users' connection privacy.
Changes compared to the previous OpenVPN 2.4 release are very minor. A summary of the changes is available in Changes.rst, and a full list of changes is available here.
OpenVPN GUI bundled with the Windows installer has a large number of new features compared to the one bundled with OpenVPN 2.3. One of major features is the ability to run OpenVPN GUI without administrator privileges. For full details, see the changelog. The new OpenVPN GUI features are documented here.
Please note that OpenVPN 2.4 installers will not work on Windows XP.
If you find a bug in this release, please file a bug report to our Trac bug tracker. In uncertain cases please contact our developers first, either using the openvpn-devel mailinglist or the developer IRC channel (#openvpn-devel at For generic help take a look at our official documentationwikiforumsopenvpn-users mailing list and user IRC channel (#openvpn at
Source Tarball (gzip)openvpn-2.4.0.tar.gzGnuPG Signature
Source Tarball (xz)openvpn-2.4.0.tar.xzGnuPG Signature
Source Zipopenvpn-2.4.0.zipGnuPG Signature
Installer, Windows Vista and lateropenvpn-install-2.4.0-I601.exeGnuPG Signature

Instructions for verifying the signatures are available here.
We also provide static URLs pointing to latest releases to ease automation. For a list of files look here.
This release is also available in our own software repositories for Debian and Ubuntu, Supported architectures are i386 and amd64. For details. look here.
Note that easy-rsa is no longer bundled with OpenVPN source code archives. To get it, visit the easy-rsa page on GitHub, or download it from our Linux software repositories. The Windows installers are bundled with OpenVPN-GUI - its source code is available on its project page and as tarballs on our alternative download server.

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