CentOS7 防火墙相关命令

CentOS7 防火墙相关命令

1、查看防火墙状态

firewall-cmd --state

[root@node03 ~]# firewall-cmd --state
not running

2、防火墙服务

systemctl status firewalld

[root@node03 ~]# 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)

3、启动、停止、重启服务

service firewalld start

service firewalld stop

service firewalld restart

4、查看规则

firewall-cmd --list-all

5、开放端口

firewall-cmd --permanent --add-port=8080/tcp

firewall-cmd --reload

firewall-cmd --query-port=80/tcp

firewall-cmd --permanent --remove-port=8080/tcp

6、禁止开机启动

systemctl disable firewalld