Close the firewall
The specific command is as follows:
###关闭防火墙 systemctl stop firewalld.service ###查看防火墙状态 [root@rocketmq-nameserverB ~]# firewall-cmd --state not running ###禁止firewalld开机启动 systemctl disable firewalld.service
Close the specified port
The specific commands are as follows:
Check the firewall status and see if it is running
firewall-cmd --state
Close the port
firewall-cmd --remove-port=80/tcp --permanent ##永久移除80端口
Reload to make the previous port setting take effect
firewall-cmd --reload
Recommended tutorial: centos tutorial
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