Best Firewall Software in 2026 · page 3
- 51
Radio Silence
macOS6.5$9 one-time - 52
Google Cloud Secret Manager
Free planWeb6.5From $0.02 a month - 53
IPFW
Free planSelf-hosted6.4Free plan - 54
Advanced Policy Firewall
Advanced Policy Firewall (APF) is a free firewall system for Internet-deployed Linux servers, built on iptables/netfilter.
Free planLinuxSelf-hosted6.4Free plan - 55
Evorim Free Firewall
Free planWindows6.4Free plan - 56
Nutanix Flow Virtual Networking
Nutanix Flow Virtual Networking is software-defined networking for creating and managing virtual private clouds (VPCs) in software.
WebAPISelf-hosted6.4 - 57
ferm
Free planLinux6.4Free plan - 58
Tufin
Tufin provides a unified control plane for network visibility, security policy management, automated change control, and continuous compliance across hybrid networks.
WebSelf-hosted6.3 - 59
AlgoSec
WebAPILinuxSelf-hosted6.3 - 60
pfSense
WebLinuxSelf-hosted6.3 - 61
Windows Security
Windows Security is a free security app built into Windows 10 and Windows 11.
Windows6.3 - 62
LuLu
LuLu is a free, open-source firewall for macOS that alerts about and blocks unknown outgoing network connections.
Free planmacOS6.3Free plan - 63
Cloudflare Magic Firewall
Cloudflare Magic Firewall, now listed as Cloudflare Network Firewall, is a firewall-as-a-service for filtering unwanted traffic before it reaches…
WebAPI6.2 - 646.2
- 65
FireHOL
Free planLinuxSelf-hosted6.2Free plan - 66
WinSight
Free planWindows6.2Free plan - 67
Cisco Catalyst Center
Cisco Catalyst Center is a centralized controller and management dashboard for enterprise network operations.
WebAPILinuxmacOS6.2 - 68
Zentyal Server
Linux6.1 - 69
OpenBSD PF
Free planSelf-hosted6.1Free plan - 70
Vuurmuur
Free planLinuxSelf-hosted6.1Free plan - 71
Arno's IPTABLES Firewall
Free planLinuxSelf-hosted6.1Free plan - 72
EndianOS
LinuxSelf-hosted6.0 - 73
NetLimiter
NetLimiter is paid Windows software for monitoring internet traffic and controlling bandwidth.
Windows6.0 - 745.9
- 755.9Free plan