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Openai/6937b8ff-b070-8002-89c2-4f3c35f2c29a
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=== 核心原因就是:规模、组织化、扩散性、经济性。 === ==== 一个商业VPN/机场: ==== * 有成千上万的付费用户 * 同一个出口 IP * 相同协议、端口、模式 * 巨量流量从境外汇聚 * 可以快速扩散给更多用户 从 GFW 视角这是: : 这种节点一旦开放: * 内容风险倍增 * 管控难度指数级上升 * 办案成本不成比例 所以是重点打击对象。 ==== 机场的流量行为非常一致: ==== * 同一个 IP 有数千用户 * 大量并发 * 大量 QUIC 或 TLS * 上下行大量对称 * 时间稳定(晚高峰爆发) * 同一协议版本、同样特征 * 明显不是网站/企业业务 这在 GFW 的流量分类模型里几乎是红色警告级别的特征。 ==== 在政策层面: ==== * “未批准的 VPN 服务”属于非法经营 * 属于跨境电信“未备案” * 容易形成信息扩散 * 甚至可能涉及洗钱、电诈链路 从法律与监管上都是重点对象。 个人使用不涉及经营行为,所以处理力度不一样。 ==== 机场风险: ==== * 用户群非常集中 * 被封影响巨大(一次影响上万用户) * 国家安全机关可认为这是“跨境通信通道” * 一旦发生事件,会立刻回溯源头 但个人自建: * 两三个人 * 规模太小 * 监测成本高 * 追查意义不大 所以监管逻辑完全不同。
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