CentOS 7 查看和设置防火墙状态,启动关闭防火墙,新增防火墙访问端口
1、查看防火墙状态
systemctl status firewalld.service
2、开启防火墙
systemctl start firewalld.service
3、关闭防火墙
systemctl stop firewalld.service
4、禁用防火墙
systemctl disable firewalld.service
5、新增端口
firewall-cmd —permanent —add-port=8080/tcp
firewall-cmd —reload
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