[root@centos7 ~]# systemctl stop firewalld
[root@centos7 ~]# systemctl disable firewalld
[root@centos7 ~]# systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)

Aug 21 16:23:02 centos7.fenestros.loc systemd[1]: Starting firewalld - dynamic firewall daemon...
Aug 21 16:23:07 centos7.fenestros.loc systemd[1]: Started firewalld - dynamic firewall daemon.
Aug 21 16:29:49 centos7.fenestros.loc systemd[1]: Stopping firewalld - dynamic firewall daemon...
Aug 21 16:29:49 centos7.fenestros.loc systemd[1]: Stopped firewalld - dynamic firewall daemon.