抓取结果

502 Bad Gateway 边缘节点 · 安全防护 Edge Node · Protected HTTP 502 · Bad Gateway 502 边缘节点联系不上源站The edge node can't reach the origin 你的请求已经抵达边缘节点，但节点在回源时连接失败，或者收到了无法解析的响应。Your request reached the edge node, but the node failed to connect to the origin server — or got back a response it couldn't parse. 访客Visitor 已送达Delivered 连接正常Connected 边缘节点Edge Node 运行正常Healthy 回源中断Link down 源站Origin 无法连接Unreachable 回源链路中断 — 边缘节点一切正常，故障点在节点到源站这一段。 The origin link is down — The edge node is healthy; the break is between the node and the origin. 发生了什么What happened 源站进程崩溃或已停止、监听端口未开放、防火墙拦截了回源连接，都会导致这个结果。源站正处于高负载或遭受攻击流量冲击时，也会因为无法建立新连接而返回 502。The origin process may have crashed or stopped, the port may not be listening, or a firewall may be dropping connections from the edge. A heavily loaded origin — or one under attack traffic — can also refuse new connections and surface as a 502. 你可以这样做What you can do 这多半是临时故障，稍等一两分钟后再重试This is usually temporary — wait a minute or two and retry避免连续快速刷新，那只会加重源站负担Avoid rapid repeated refreshes; they only add load如果长时间不恢复，请联系站点管理员If it persists, contact the site owner 站点管理员排查For site owners 确认源站服务进程存活、端口处于监听状态Confirm the origin service is running and the port is listening在源站防火墙与安全组放行回源节点 IPAllow the edge node IPs through the origin firewall and security groups检查源站 CPU、内存与连接数是否已被打满Check whether origin CPU, memory, or connection limits are saturated若正遭受 CC 攻击，在控制台提升防护等级If under a CC attack, raise the protection level in the console 诊断信息Diagnostics 复制Copy Client IP— Edge Node— Host— Path— Local Time— 重新加载Try again返回上一页Go back回到首页Back home HTTP 502 · Bad Gateway 由边缘节点生成，未触及源站数据 Generated at the edge · no origin data was exposed

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