firewalld(1) on Linux
The text 550694de5e9f, as Debian 13 (Trixie) shipped it.
Dynamic Firewall Manager
Flags it lists
-
--debug -
--debug-gc -
--default-config -
--help -
--log-file -
--log-target -
--nofork -
--nopid -
--system-config -
-h