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1,防火墙启动

systemctl start firewalld

2.开启某个端口

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

3.设置某个端口白名单

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.1" port protocol="tcp" port="2222" accept"

4.# 端口转发

firewall-cmd --add-forward-port=port=4545:proto=tcp:toaddr=192.168.1.1:toport=4444  --permanent

5.查看端口转发

firewall-cmd --zone=public --list-forward-ports

6# 刷新

firewall-cmd --reload

本文标签: 防火墙常用命令firewalld