Oracle 开放全部端口并关闭防火墙 - 清~ 幽殇

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登陆甲骨文后台打开实例  
找到子网点击进去

![](https://cc-1255426782.cos.ap-guangzhou.myqcloud.com/%E5%B0%8F%E4%B9%A6%E5%8C%A02/1649512180362.png)

点击进去安全组

![](https://cc-1255426782.cos.ap-guangzhou.myqcloud.com/%E5%B0%8F%E4%B9%A6%E5%8C%A02/1649512205495.png)

修改安全组，为图描述选项随意！

![](https://cc-1255426782.cos.ap-guangzhou.myqcloud.com/%E5%B0%8F%E4%B9%A6%E5%8C%A02/1649512222363.png)

1、开放所有端口

```
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -F
```

2、关闭或强制删除防火墙

```
apt-get purge netfilter-persistent && reboot
或 rm -rf /etc/iptables && reboot
```

1、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
```

2、停止 firewall 并禁止自启动

```
systemctl stop firewalld.service
systemctl disable firewalld.service
```

![](https://cc-1255426782.cos.ap-guangzhou.myqcloud.com/blog/back/2019/06/favicon.ico)

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__不患无位，患所以立。不患莫己知，求为可知也。