$ systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
Active: active (running) since local; 1 second ago
Docs: man:firewalld(1)
Main PID: 447 (firewalld)
CGroup: /system.slice/firewalld.service
447 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid

localhost systemd[1]: Starting firewalld - dynamic firewall daemon...
localhost systemd[1]: Started firewalld - dynamic firewall daemon.