centos操作如下: 停止firewall systemctl stop firewalld.service 禁止firewall开机启动 systemctl disable firewalld.service 关闭iptables service iptables stop 去掉iptables开机启动 chkconfig iptables offoracle Linux操作如下: 停止firewall systemctl stop firewalld.service 禁止firewall开机启动 system…