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Openai/6937b8ff-b070-8002-89c2-4f3c35f2c29a
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=== GFW 会观察: === * 是否总是访问同一个境外 IP * 是否长时间维持连接 * 是否高吞吐、高对称 * 是否无 SNI / 无域名 * 是否端口异常(如高端口 UDP 长连) * 是否连接行为与普通用户不同 这些都是非常明显的“非正常用户行为”。 一般用户访问境外网络的模式: * IP 会变(CDN + Anycast) * 连接是短暂的(网页请求) * 上下行不对称(上行少,下行多) * 不会持续几小时不断发数据 * 会有断开—重连—换站点的模式 而代理的行为通常: * 长时间连接同一 IP * 上下行对称(上传下载都很高) * 速率稳定(像机器,不像人类浏览器) * 流量量级远高于普通访问 这本身就是 强特征。
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