#允许192.168.142.166访问5432端口 [root@henry ~]# firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.142.166" port protocol="tcp" port="5432" accept" --permanent #允许所有IP访问80端口 --permanent 表示永久生效,不加重启就会失效 [root@henry ~]# firewall-cmd --zone=public --add-port=80/tcp --permanent #删除某条规则 [root@henry ~]# firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.142.166" port protocol="tcp" port="11300" accept" #查看规则 [root@henry ~]# firewall-cmd --list-all #每次修改规则之后都要重启firewalld才会生效 [root@henry ~]# systemctl restart firewalld
原文:https://www.cnblogs.com/kjjmj/p/13277128.html