Centos 7 防火墙状态、关闭、启动

命令

[root@istester ~]# systemctl stop firewalld.service 
[root@istester ~]# systemctl status firewalld.service 
● 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)
[root@istester ~]# systemctl start firewalld.service 
[root@istester ~]# systemctl status firewalld.service 
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: active (running) since Tue 2020-04-14 23:56:26 CST; 1s ago
     Docs: man:firewalld(1)
 Main PID: 12615 (firewalld)
   CGroup: /system.slice/firewalld.service
           ├─12615 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid
           └─12812 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid

Apr 14 23:56:25 istester systemd[1]: Starting firewalld - dynamic firewall daemon...
Apr 14 23:56:26 istester systemd[1]: Started firewalld - dynamic firewall daemon.
[root@istester ~]#