centos/RHEL/OL 7: systemctl stop firewalld.service #停止 systemctl disable firewalld.service #禁用 之前的版本: service iptables stop #停止 chkconfig iptables off #禁用
如果不关闭,则使用下列常见指令
添加端口
firewall-cmd –permanent –zone=public –add-port=80/tcp
或者
firewall-cmd –permanent –zone=public –add-service=http
重新load
firewall-cmd –reload
检查是否生效
firewall-cmd –zone=public –query-port=80/tcp
列出所有的开放端口
firewall-cmd –list-all
删除端口
firewall-cmd –zone=public –remove-port=80/tcp
firewall-cmd –zone=public –remove-service=http