pfSense is an open-source firewall and router software distribution based on FreeBSD. It is widely used for network security and management, providing a range of features suitable for both small and large networks.
pfSense can be installed on a variety of hardware, including dedicated appliances, virtual machines, and standard PC hardware. The installation process involves downloading the pfSense ISO, creating a bootable USB drive, and following the installation wizard.
After installation, pfSense can be configured via its web interface. Initial setup includes configuring the WAN and LAN interfaces, setting up firewall rules, and enabling additional services as needed.
pfSense has extensive documentation available on its official website. There is also a large community of users and developers who contribute to forums and provide support.