5. 创建并上传 Cloudflare Origin 证书 即使启用了端口 443,您在使用 Cloudflare 的 Full 或 Full (Strict) 模式时仍可能会收到 521 错误。 这是因为如果您拥有有效的Cloudflare Origin Certificate,某些服务器只允许在端口 443 上进行连接。此证书加密 Cloudflare 和您的 Web 服务器之间的流量。 如果您不提供原始...
原因2、CloudFlare请求被阻止 服务器防火墙通常会阻止它们认为可疑的IP,CloudFlare请求往往也会被牵连到,导致请求被阻止,从而出现521错误。 解决方法:我们可以联系托管服务提供商,以检查服务器的防火墙是否阻止了CloudFlare请求,如果请求被阻止,则在源站 Web 服务器的防火墙或安全软件中,将所有 CloudFlare IP 地址列入白名单。
Error code 521,or “Error 521: Web server is down,” is a connection time-out error that indicates the website is experiencing a server-side problem. It is a common error that affectsCloudflare-enabled websites. This error occurs when the origin server rejects Cloudflare’s connection request...
If you’re seeing the 521 error, it’s possible that your hosting provider is either throttling or blocking requests from Cloudflare IP addresses. That’s because Cloudflare is areverse proxy. A reverse proxy acts as a gateway between clients and your origin server, so clients only communicate ...
cloudflare error code 524cloudflare error code 524 CloudflareError524表示您的请求的连接在超时,这是由于您的网站服务器可能无法处理您的请求。这可能是由于服务器有太多的连接,或者出于某种原因网络状态不佳,或者服务器负载过重。 要解决此问题,您必须提高您的服务器处理能力。您可以配置Nginx的后端缓存功能来加快...
I’m unable to locate any information about 512 error code, may it have been 521 by any chance? If so you can check this docs here: https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-...
Error 521 is a generic HTTP status code that indicates your web server is refusing connections. It’s also sometimes referred to as the “Web Server Is Down” error. Specifically, error 521 means that the origin web server has rejected the connection from Cloudflare. This could happen for a...
While Error 521 can be a source of frustration, remember that you have the troubleshooting tools at your disposal. By systematically checking your server status, firewall settings, Cloudflare configuration, and WordPress setup, you should be able to identify the culprit and get your website back ...
确保Cloudflare DNS记录正确。 禁用您的.htaccess文件。 检查标题和cookie。 另一个可能的问题是Error 521: Web server is down,通常是由于Cloudflare加密设置不佳或服务器无法访问。以下是解决错误521的一些方法: 确保源服务器正在运行。 测试与服务器的连接。
Cloudflare Error Code 524 Introduction Cloudflare is a widely used content delivery network (CDN) and security provider that helps websites load faster and stay protected from various online threats. However, like any technology, it can sometimes encounter issues. One of the error codes that users...