Keep in mind though that it's not a web app proxy and it doesn't operate through a web browser.
OpenVPN is designed to support flexible client authentication methods based on certificates, two-factor authentication, and smart cards.
It is compatible with the GNU/Linux, Mac OS X, Android, iOS, and Microsoft Windows OSes. The project implements both OSI layer 2 and 3 secure network extensions, using the industry standard TLS (Transport Layer Security) and SSL (Secure Sockets Layer) protocols. Implements both OSI layer 2 and 3 secure network extensions It can also be used to implement enterprise-scale remote access solutions with failover, fine-grained access-controls, and load balancing, as well as simplified OpenVPN Connect UI and OpenVPN Client applications for a wide range of operating systems. OpenVPN is an open source, full-featured VPN solution backed by SSL (Secure Sockets Layer) and designed to accommodate a wide range of OpenVPN server functionality, including site-to-site VPNs, remote access, and Wi-Fi security.
