OpenVPN offers two types of interfaces for networking via the Universal TUN/TAP driver.
Incorporates 2 USB and 4 PCI-M slots to accommodate future networks such as WiMAX and Public Safety Band), accepts ExpressCard 34mm air cards, PCMCIA CardBus air cards and USB air cards via adapter, Secure Remote Configuration Management, Built in IPsec and OpenVPN and pass through security features, FIPS140-2 SSL Certified Module.