firewall-port.md

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开启防火墙端口	meta name content keywords VPS 防火墙 端口 meta name content description 本文介绍如何在VPS上开启防火墙端口

对外开放端口

::: code-group

# 设置默认策略为 ACCEPT 并清空规则
sudo iptables -P INPUT ACCEPT
sudo iptables -P FORWARD ACCEPT
sudo iptables -P OUTPUT ACCEPT
sudo iptables -F
# 保存防火墙规则
sudo netfilter-persistent save

# 停止并禁用不必要的服务
sudo systemctl stop oracle-cloud-agent
sudo systemctl disable oracle-cloud-agent
sudo systemctl stop oracle-cloud-agent-updater
sudo systemctl disable oracle-cloud-agent-updater

# 停止并禁用防火墙
sudo systemctl stop firewalld.service
sudo systemctl disable firewalld.service

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