如果出现问题,您会看到类似Host Not Found或Failed to connect的信息: 您的服务器出现问题的示例 如果服务说该网站已启动,那么您就可以开始了。这意味着您的521错误的原因在于其他地方。如果您的服务器由于某种原因停机,您需要与您的托管服务提供商联系以找出原因。 2. 移除 Cloudflare 和您网站之间的拦截 如果您的...
4. 要求您的托管服务提供商启用端口 443 Cloudflare 有几种不同的加密模式。 在出现 521 错误之前,您是切换到完全模式还是完全(严格)模式?这可能导致了问题。 当Cloudflare 处于 Full 或 Full (Strict) 模式时,它需要访问端口 443。但是,某些服务器阻止 Cloudflare 访问此端口,这将触发“Error 521”错误。 解决...
在此屏幕上,找到常规信息部分。 Bluehost将在“共享IP地址”下显示您的服务器的IP地址。 如果你正在努力寻找这个IP地址,总是值得查看你的主机提供商的网站或在线文档。许多网络主机都有详细的教程,告诉你如何找到你的IP地址。 获得此信息后,请转到HTTP Header Checker工具。你可以用这个工具‘ping’你网站的服务器,...
原因1、网站服务器出现故障 如果用的是不靠谱的服务器主机,WordPress网站在运行时会容易出现服务器宕机的情况,从而提示521错误,导致无法正常访问网站。 解决方法:我们在购买服务器主机时,一定要选择信誉良好的主机商(比如BlueHost、RAKsmart等),它们提供的服务器主机正常运行时间有保证(99.9%),所以通常不会出现服务器停...
That means your origin server will see all of the traffic coming from a small range of CloudflareIP addresses, rather than unique IP addresses from individual visitors. Your web host might interpret these requests as an attack and block them. If that’s the case, then ask them to allow Clo...
Alternatively, test the connection to the server to safelist Cloudflare IP ranges. It will override the server-side security solutions from blocking Cloudflare’s requests. Check theIP filteringon your host provider to includeCloudflare IP ranges. ...
如果用的是不靠谱的服务器主机,WordPress网站在运行时会容易出现服务器宕机的情况,从而提示521错误,导致无法正常访问网站。 解决方法:我们在购买服务器主机时,一定要选择信誉良好的主机商(比如:易探云、UCloud、BlueHost、RackNerd等),它们提供的服务器主机正常运行时间有保证(99.9%),所以通常不会出现服务器停机的情况...
Ensure the origin server responds to requests for the hostname and domain within the visitor's URL that generated the 502 or 504 error. Investigate excessive server loads, crashes, or network failures. Identify applications or services that timed out or were blocked. ...
Evaluate mail infrastructure: If possible, do not host a mail service on the same server as the web resource you want to protect, since emails sent to non-existent addresses get bounced back to the attacker and reveal the mail server IP. Rotate origin IPs: Once onboarded, rotate your orig...
Origin Error Rate alerts allow you to monitor your zones at the origin and be alerted when Cloudflare detects elevated levels of 5xx error responses. You can select which zones to be alerted on and the sensitivity of the alerts. Edge status codes of 521, 522, and 523 also count as origin...