The best VPNs for enterprise use

OpenVPN is an open source VPN that includes a simplified security framework and a modular network design that has portability across platforms. Major OpenVPN features include:

• Site-to-site VPNs, remote access and Wi-Fi security.
• OpenSSL and mbedTLS (formerly known as PolarSSL).
• SSL/TLS for session authentication and IPsec ESP for tunnel transport over User Datagram Protocol (UDP).
• Compatible with SSL/TLS, RSA certificates, X.509 PKI, Dynamic Host Configuration Protocol (DHCP), Network Address Translation (NAT), and TUN/TAP virtual devices.

These platforms are supported:

• Windows XP, Vista, 7, 8.
• Mac OS X.
• OpenBSD, FreeBSD, NetBSD, Solaris.
• Android, iOS (iPhone, iPad).

See the next slide to learn about controlling VPN costs.