使用云防护后,为什么会出现502、快照? 原因可能有以下几点: - 1.源站宕机、间歇性卡顿。 请检查源站的存活状态。如何检查源站状态。
- 2.源站响应超时30秒。 超过30秒未响应的请求会被云防护断开,显示502。
- 3.请核查在云防护DNS设置配置的源站IP是否正确,是否还留存错误的、已经不使用的服务器IP。
- 4.请检查源站防火墙是否拦截云防护节点IP。 详见FAQ
- 5.当前页面由于敏感信息已经被网站卫士屏蔽,请删除相关违规信息。
- -如果域名服务商的防火墙拦截云防护节点IP, 请与域名服务商联系解封并加白IP段。
- -如果服务器防火墙(安全狗等)拦截云防护节点IP,请将云防护的IP段添加到服务器防火墙白名单中。
- -如果您服务器未配置任何防火墙,请与您的机房联系,将云防护的IP段添加到机房防火墙白名单中。
Why there will be 502, snapshots after using WebGuard? The reason may as follow: - 1.The source website down or intermittent seriously slow.Please check the survival status of source website . How to check the source website status
- 2.The response time of source website exceed 30 seconds.The request time more than 30 seconds will be disconected by WebGuard ,and Display 502.
- 3.Please check if the source IP in the DNS configuration of WebGuard is correct, whether there remains IPS is wrong or no longer in use.
- 4.Please check if the firewall of source website blocked the IPs of WebGuard nodes. see the FAQ for details
- -If the firewall of ISP blocked ,the IPs of WebGuard nodes. please contact the ISP to unlock and add the IP segments to whitelist.
- -If the firewall of server (safedog, etc.) blocked the IPs of WebGuard nodes, please add the IP segments to the whitelist of the server firewall.
- -if you have not any firewall on server, please contact with your IDC, and add the IP segments of WebGuard to the whitelist of the IDC
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