Buyer's guide

Best Firewall software

Network security solutions that monitor and control incoming and outgoing network traffic. These tools protect organizations from unauthorized access, malware, and cyber threats while ensuring smooth data flow for legitimate users. Open any profile for real pricing, compliance, and buyer-fit detail, or jump into the firewall directory to filter by industry, company size, and certifications.

15 profiled toolsUpdated 2026

1
Wedge Networks
Network Security
Real-time threat prevention platform delivering AI-powered content security and malware defense for service provider networks.
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2
DBAPP Security
Software
Chinese cybersecurity platform delivering WAF, database audit, and threat intelligence services for government and enterprise networks.
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3
Fortinet
Cybersecurity
Fortinet provides enterprise-grade cybersecurity solutions including next-generation firewalls (FortiGate), SD-WAN, endpoint protection, and SIEM. Its Security Fabric platform delivers integ…
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4
Bitdefender
Endpoint Protection
Bitdefender provides enterprise cybersecurity solutions including endpoint protection, extended detection and response, and managed detection and response for organizations worldwide.
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5
pfSense
Network Security
Open-source firewall and router platform based on FreeBSD providing enterprise-grade features including VPN, traffic shaping, and intrusion detection for free.
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6
Open Systems
Secure Access Service Edge
Managed SASE platform combining SD-WAN, secure web gateway, ZTNA, and firewall with 24/7 expert monitoring and management.
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7
NextDNS
Network Security
Cloud-based DNS firewall and analytics platform providing privacy-focused DNS filtering, threat protection, and parental controls with real-time query analytics.
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8
SecurityGen
Network Security
Telecom cybersecurity platform delivering threat intelligence, breach monitoring, and 4G/5G protection for mobile network operators.
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9
Fastly
Content Delivery Networks
Fastly is an edge cloud platform providing CDN, edge computing, security, and streaming services for fast, secure digital experiences.
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10
Cloudflare
Content Delivery Networks
Cloudflare is a global cloud platform that provides CDN, DDoS protection, DNS, SSL/TLS encryption, and a developer platform. It secures and accelerates websites and applications with a netwo…
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11
Venustech
Network Security
Chinese cybersecurity company providing SOC, IPS, DLP, and threat intelligence products for governments and large state-owned enterprises.
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12
Sophos
Cybersecurity
Sophos provides next-generation cybersecurity including endpoint protection, network security, email security, and cloud security with AI-powered threat detection.
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13
Infoblox
DNS Security
Infoblox provides DNS, DHCP, and IP address management (DDI) solutions with integrated DNS security that protects enterprise networks from DNS-based threats.
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14
Citrix NetScaler
Load Balancer Software
Application delivery and security platform (NetScaler ADC) with load balancing, global server load balancing, and web app firewall.
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15
TOPSEC
Software
Chinese integrated security vendor offering firewall, IDS, SOC, and situational awareness platforms for government and critical infrastructure.
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16
Smoothwall
Firewall
UK web filtering and firewall for education and public sector
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17
Securepoint
Network Security
German UTM firewall and endpoint security suite for SMBs.
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18
WatchGuard
Firewall
Network security vendor offering firewalls, multifactor authentication, and endpoint security for midmarket customers.
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19
Fail2ban
Firewall
Open-source intrusion prevention software framework scanning log files for brute force attacks.
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20
pfSense Plus
Firewall
Commercial pfSense firewall and VPN platform by Netgate
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21
OPNsense Business
Firewall
Open source firewall platform with commercial support
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Best firewall by company size

Best firewall for Solo / freelancer Best firewall for Startup (1-50)Best firewall for Small business (51-200)Best firewall for Mid-market (201-1,000)Best firewall for Enterprise (1,000+)

Buyers here also look at

Network Security Security Information and Event Management (Expanded)Remote Access & VPN

Keep exploring

Firewall directory & filters All software categories Software deals

Frequently asked

What is the best firewall software?

Cubbie ranks 15 profiled firewall tools by profile completeness, verified-vendor status, and active deals. The list above leads with the products that carry the most complete, vendor-maintained profiles.

How does Cubbie choose these firewall tools?

Listings are drawn from the live catalog and ordered so products with substantive, vendor-maintained profiles surface first. Cubbie does not accept payment for ranking position.

Ranked from Cubbie's live catalog, https://www.cubbie.com/best/firewall