防火墙常用命令
安装Firewall命令:
yum install firewalld firewalld-config
Firewall开启常见端口命令:
firewall-cmd –zone=public –add-port=80/tcp –permanent
firewall-cmd –zone=public –add-port=443/tcp –permanent
firewall-cmd –zone=public –add-port=22/tcp –permanent
firewall-cmd –zone=public –add-port=21/tcp –permanent
firewall-cmd –zone=public –add-port=53/udp –permanent
Firewall关闭常见端口命令:
firewall-cmd –zone=public –remove-port=80/tcp –permanent
firewall-cmd –zone=public –remove-port=443/tcp –permanent
firewall-cmd –zone=public –remove-port=22/tcp –permanent
firewall-cmd –zone=public –remove-port=21/tcp –permanent
firewall-cmd –zone=public –remove-port=53/udp –permanent
批量添加区间端口
firewall-cmd –zone=public –add-port=4400-4600/udp –permanent
firewall-cmd –zone=public –add-port=4400-4600/tcp –permanent
开启防火墙命令:
W
重启防火墙命令:
firewall-cmd –reload 或者 service firewalld restart
查看端口列表:
firewall-cmd –permanent –list-port
禁用防火墙
systemctl stop firewalld
设置开机启动
systemctl enable firewalld
停止并禁用开机启动
sytemctl disable firewalld
查看状态
systemctl status firewalld或者 firewall-cmd –state
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