pfSense

pfSense is an open-source firewall/router software noted for its reliability and a wide range of features. It’s can be used as a perimeter firewall, router, wireless access point, DNS server and more. The easy-to-use web interface helps even inexperienced users to quickly set up advanced network services.

One of the many ways of using pfSense is combining its firewall capabilities with a VPN service. Running OpenVPN encryption on a separate firewall box improves both the VPN performance and security.

This comprehensive tutorial will help you get started with the NordVPN service on a device running pfSense. Note: you can also find setup guidelines for other platforms (Windows, macOS, iOS, Android and more) here.

OpenVPN

OpenVPN is a versatile security protocol that supports a great number of strong encryption algorithms and ciphers. We use it in NordVPN native apps for other platforms and devices as a default setting, because it is considered one of the best protocols in the industry.