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Bouncer vs firewalld: catalog facts
Bouncer	firewalld
Free Free and open source under the MPL-2.0 licence.	Free Free and open source.
Linux	Linux, Command line
Assigns a firewall zone per wireless connection Focused single-purpose tool	Zones set trust levels per connection or interface Changes apply without restarting the service
Linux only Small project with a limited user base	Linux only Zone concepts take some learning compared with plain rule lists
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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