[firewall]FirewallD is not running

FirewallD is not running

problem

操作：开启防火墙80和443端口，出现报错
sudo firewall-cmd --permanent --zone=public --add-service=http

reason

查看firewalld状态 systemctl status firewalld
如果是dead状态，即防火墙未开启。

[root@iZbp1560750pcozwmd20reZ yum.repos.d]# systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: e>
   Active: inactive (dead)
     Docs: man:firewalld(1)

solution

开启防火墙: systemctl start firewalld

再次查看防火墙状态 systemctl status firewalld
之前: Active: inactive (dead)
现在: Active: active (running)

[root@iZbp1560750pcozwmd20reZ yum.repos.d]# systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: e>
   Active: active (running) since Mon 2022-02-21 15:05:52 CST; 26s ago
     Docs: man:firewalld(1)
 Main PID: 26858 (firewalld)
    Tasks: 2 (limit: 11411)
   Memory: 28.1M
   CGroup: /system.slice/firewalld.service
           └─26858 /usr/libexec/platform-python -s /usr/sbin/firewalld --nofork --nopid

other

ps 关闭防火墙：systemctl stop firewalld