last modified by zhoutianju , 2023-06-02 00:54:42

CentOS 防火墙配置

CentOS6

查看当前状态:

/etc/init.d/iptables status

修改权限:

vi /etc/sysconfig/iptables

重启防火墙:

service iptables restart

CentOS7

查看端口列表:

firewall-cmd --permanent --list-port

打开端口:

firewall-cmd --zone=public --add-port=80/tcp --permanent
firewall-cmd --reload

关闭端口:

firewall-cmd --zone=public --remove-port=80/tcp --permanent
firewall-cmd --reload

检查端口是否打开:

firewall-cmd --zone=public --query-port=8888/tcp

查看状态:

systemctl status firewalld



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