openvpn/openvpnSecure tunneling daemon implementing VPN protocols with TLS encryption, certificate authentication, and routing/firewall configuration for private networks.
OpenVPN -- A Secure tunneling daemon
Copyright (C) 2002-2026 OpenVPN Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.
To get the latest release of OpenVPN, go to:
https://openvpn.net/community-downloads/
To Build and Install,
tar -zxf openvpn-<version>.tar.gz
cd openvpn-<version>
./configure
make
make install
or see the file INSTALL for more info.
For information on how to build OpenVPN on/for Windows with MinGW or MSVC see README.cmake.md.
For detailed information on OpenVPN, including examples, see the man page http://openvpn.net/man.html
For a sample VPN configuration, see http://openvpn.net/howto.html
To report an issue, see https://github.com/OpenVPN/openvpn/issues/new
For a description of OpenVPN's underlying protocol, see the file ssl.h included in the source distribution.
Other Files & Directories:
configure.ac -- script to rebuild our configure script and makefile.
sample/sample-scripts/verify-cn
A sample perl script which can be used with OpenVPN's --tls-verify option to provide a customized authentication test on embedded X509 certificate fields.
sample/sample-keys/
Sample RSA keys and certificates. DON'T USE THESE FILES FOR ANYTHING OTHER THAN TESTING BECAUSE THEY ARE TOTALLY INSECURE.
sample/sample-config-files/
A collection of OpenVPN config files and scripts from the HOWTO at http://openvpn.net/howto.html
Note that easy-rsa and tap-windows are now maintained in their own subprojects. Their source code is available here:
https://github.com/OpenVPN/easy-rsa https://github.com/OpenVPN/tap-windows6
Community-provided Windows installers (MSI) and Debian packages are built from
https://github.com/OpenVPN/openvpn-build
See the INSTALL file for usage information.