pfSense review
A free, open-source firewall with routing, three VPN technologies, and optional IPS packages.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
pfSense is firewall and router software based on FreeBSD, managed through a web interface. It is designed for home, small-office, business, enterprise, and cloud networking environments. Core capabilities include stateful firewall rules, packet inspection, routing, network address translation, site-to-site VPN connectivity, traffic monitoring, and web-based administration. Its free, open-source edition makes it particularly suitable for users who want control over deployment and configuration without a software charge.
The product line has three main paths. pfSense Community Edition is free, open source, and provides firewall and router software. pfSense Plus is Netgate’s commercial edition for third-party hardware, available through the Netgate Installer, with no feature or throughput upcharges. pfSense Plus Cloud is available through the Amazon and Azure marketplaces for virtual machine deployment, with 30-day software trials available. This gives buyers a choice between community software, commercial software on selected hardware, and marketplace-based cloud deployment.
Its ecosystem fit is a major strength for network teams choosing among deployment models. pfSense supports OpenVPN, IPsec, and WireGuard, while Snort and Suricata packages provide intrusion detection and prevention capabilities. AWS and Azure coverage extends the same product family into cloud environments, and traffic monitoring adds operational visibility through the web administration interface. Buyers should choose pfSense when they want broad VPN support, open-source flexibility, and control over hardware or virtual machine placement. Those seeking a narrowly packaged appliance experience or a current proxy inspection path may prefer an alternative, since the documented Squid proxy package is deprecated.
pfSense pros and cons
- Where it wins
- Free, open-source Community Edition
- Supports OpenVPN, IPsec, and WireGuard
- Deploys on hardware, virtual machines, AWS, and Azure
- Where it doesn't
- Intrusion prevention requires Snort or Suricata packages
- Cloud deployment is limited to Amazon and Azure marketplaces
- The documented Squid proxy package is deprecated
pfSense fact sheet, pricing and score →
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