pfSense

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more

20 Alternatives To pfSense

Barracuda Web Application Firewall

Barracuda Web Application Firewall offers security and DDoS protection against automated & targeted attacks.
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Burp Suite

Burp Suite is an integrated platform for performing security testing of web applications.

CDNetworks WAF

CDNetworks WAF protects web applications using signature-based firewall with integrated CDN.
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ClearOS

A very good alternative for Windows Server, for free

Comodo Firewall

Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /…

Dome9

Dome9 is a SaaS-based solution that provides complete security and compliance across all public and hybrid cloud infrastructure environment.

FireMon

FireMon Security Intelligence Platform delivers continuous visibility into and control over firewall infrastructure.

Meraki MX Firewalls

Cloud managed networking from Cisco Meraki. The easiest and most IT-friendly solution for enterprise networking needs.

SiteLock

SiteLock software provides advanced website security, daily security scans, web app firewall with a CDN to deliver content more securely.
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SonicWall

SonicWall security solutions protects your network, systems, users and data from cyber threats.

SonicWall TZ

Get high-speed threat prevention in a flexible, integrated security solution with the SonicWall TZ Series.

Sophos UTM

Sophos UTM integrates complete security software within a single appliance.

United Security Providers

United Security Providers are specialists in Web Application Firewalls & Security.

Untangle NG Firewall

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.

Zenedge

Cloud-based, globally distributed cybersecurity platform
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Zscalar

Zscaler offers integrated, cloud-delivered Internet security including web security, firewalls, mobile security, IoT security and DLP.

iboss

iboss is an APT defense, web security and mobile security platform.