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ufw vs firewalld: catalog facts
ufw	firewalld
Free Free and open source under the GNU GPL v3.	Free Free and open source.
Linux, Command line	Linux, Command line
Short commands for allowing and denying ports Application profiles for common services	Zones set trust levels per connection or interface Changes apply without restarting the service
Command-line only Less expressive than writing netfilter rules directly	Linux only Zone concepts take some learning compared with plain rule lists
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 September 23, 2026

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