Compare software

firewalld vs nftables: catalog facts
firewalld	nftables
Free Free and open source.	Free Free and open source.
Linux, Command line	Linux, Command line
Zones set trust levels per connection or interface Changes apply without restarting the service	One tool and rule syntax for IPv4, IPv6, ARP and bridge filtering Part of the mainline Linux kernel
Linux only Zone concepts take some learning compared with plain rule lists	Linux only Command-line rule language has a learning curve
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.