VPS|甲骨文开放端口指南
Ubuntu系统下：
#开放所有端口 iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT iptables -F #Ubuntu镜像默认设置了Iptable规则，关闭它 apt-get purge netfilter-persistent reboot #或者强制删除 rm -rf /etc/iptables && reboot
Centos系统下：
#删除多余附件 systemctl stop oracle-cloud-agent systemctl disable oracle-cloud-agent systemctl stop oracle-cloud-agent-updater systemctl disable oracle-cloud-agent-updater #停止firewall systemctl stop firewalld.service #禁止firewall开机启动 systemctl disable firewalld.service
