Error Code 521,也称为“Web server is down”错误,是一个连接超时错误,表明网站正在经历服务器端问题。这个错误常见于使用Cloudflare服务的网站,当Cloudflare无法从源服务器获取响应时,就会显示此错误。 常见原因 服务器过载:当网站的访问量过大,服务器可能无法承受负载,导致无法正常响应请求。 DNS解析问题:DNS解析是...
Poor encryption settings. Cloudflare has its own Secure Sockets Layer (SSL) certificate and encryption modes. Thus, the origin server might be blocking requests due to the encryption settings.One of the ways to find out what is causing the error 521 is to check the server’s error logs. If...
您的服务器可能在线,但阻止了 Cloudflare 的 IP 地址。当您尝试访问您的 WordPress 网站时,这可能会导致 521 错误。 解决方案是将 Cloudflare 使用的所有 IP 地址列入白名单。通过将 IP 地址列入白名单,您是在告诉您的服务器允许来自该地址的所有请求。 您可以将列入白名单的 IP 添加到您网站的.htaccess 文件中...
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。
Cloudflare Error 521 can be a frustrating roadblock when you're trying to access your WordPress website. That ominous "Web server is down" message might leave you feeling lost and unsure where to start troubleshooting. But don't worry – help is here!
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-...
Cloudflare Error 520的可能原因 源服务器中的应用程序崩溃:此错误的主要原因是源服务器上的Web服务器应用程序崩溃。这种崩溃通常由资源密集型脚本或任务触发,使服务器无法有效地响应请求。 未列入白名单的Cloudflare IPs:如果Cloudflare的IP地址不在您的服务器防火墙的白名单中,可能会导致通信受阻。正确地将这些IP列入白...
Dealing with a web server that is down can be incredibly frustrating. Especially when all you get is a vague error message like error code 521...
Cloudflare DNS: 1.1.1.1. 1.0.0. 6. Disable power-saving modes Go toSettings > Apps > TiviMate. TapBatteryorBattery Usage. Set toUnrestrictedorDon’t optimize. Go back and ensureBackground datais enabled underData Usage. Power-saving modes can sometimes hinder performance and try to disable ...
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...