Best free Linux firewalls of 2020: go beyond iptables for desktops and servers

By Tech Radar

ClearOS

"A well thought-out distro that's refreshingly easy-to-use"

OPNsense

"Security-minded fork of the original pfSense project"

IPFire

"An easy-to-use firewall with some super-advanced features"

pfSense

"The most complete firewall distribution here"

OpenWRT

"Veteran firewall for routers"