Download
Introducing pfSense
pfSense is an open-source firewall and routing platform built on FreeBSD. It is not a native Windows application, but its web-based management interface can be accessed from any Windows machine. Designed to meet both home and enterprise needs, pfSense delivers many features typically found in commercial appliances.
Core capabilities
- VLAN support for segregating and organizing network traffic
- Network Address Translation (NAT) for address translation and connection sharing
- Traffic shaping and bandwidth management to prioritize or limit flows
- DNS and DHCP services to handle name resolution and address assignment
- VPN functionality to create secure remote connections
- Stateful packet filtering that inspects connections and enforces policies
Optional add-ons and extensions
- pfBlockerNG — blocks IP ranges and domains for large-scale filtering and threat mitigation
- Squid — provides proxy and caching services to control web access and improve performance
- Suricata — intrusion detection and prevention to analyze traffic for malicious activity
Deployment options and editions
pfSense can be installed on dedicated physical appliances or run as a virtual machine, making it suitable for anything from lab experiments to production datacenter deployments. There is a free Community Edition with extensive documentation and forums, and a commercial offering that includes professional support and additional services.
Lightweight alternative for DNS needs
If your primary requirement is simple DNS management on Windows rather than a full firewall/router, consider ChrisPC DNS Switch (free). It provides easy DNS profile switching on Windows PCs but does not replace the routing, firewalling, or VPN capabilities pfSense delivers.
Technical
- Windows
- Free
