Is OpenVPN free to use?

**OpenVPN** is available as a free and open-source software under the GNU General Public License version 2 (GPLv2). There is also a commercial product, it Access Server, which offers additional features and professional support for a fee.

What operating systems does OpenVPN support?

**OpenVPN** offers broad compatibility across multiple platforms, including Windows (7 and later), macOS (10.8 and later), various Linux distributions, Android (4.0 and later), iOS (6 and later), and *BSD systems.

How does OpenVPN ensure secure connections?

**OpenVPN** ensures secure connections by utilizing the OpenSSL library and the SSL/TLS protocols for strong encryption and authentication. It supports advanced cryptographic algorithms like AES-256-GCM and implements Perfect Forward Secrecy to protect data integrity and confidentiality.