pfSense
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
- Open Source
pfSense Alternatives
The best pfSense alternatives based on verified products, community votes, reviews and other factors.
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The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
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OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
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#1 Employee monitoring software that gives you unparalleled data about your team’s work habits. Take a deep dive into individual or organisational productivity metrics through real-time or historical data.
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OpenWrt is an open-source firmware based on Linux for wireless routers
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SonicWall security solutions protects your network, systems, users and data from cyber threats.
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VyOS in an open source Linux-based operating system sold and distributed by Sentrium corporations. It is geared toward IT specialists and network administrators for the purpose of securing network and company data... read more.
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Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...
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Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.
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Sqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.
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IPFire is a server distribution with intended to use as a firewall.
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Sophos XG Firewall provides unprecedented visibility into the network, users, and applications directly from the all-new control center.
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Lightweight and non-intrusive firewall
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A very good alternative for Windows Server, for free
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Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.