当遇到Web服务器返回未知错误代码520时,这个错误通常不是由标准的HTTP状态码定义的,而是由某些特定的Web服务器软件(如Cloudflare)或反向代理服务器自定义的。错误代码520通常指的是Web服务器作为网关或代理服务器时从上游服务器收到无效响应。这可能是由于多种原因造成的,以下是一些可能的解决步骤和检查点: 1. 查找错...
Error code 520 Visit cloudflare.com for more information. 2025-01-06 21:12:54 UTCYou Browser Working Los Angeles Cloudflare Working www.wordjc.com Host Error What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web ...
Error code 520 Visit cloudflare.com for more information. 2024-09-29 20:43:09 UTCYou Browser Working Los Angeles Cloudflare Working www.wordjc.com Host Error What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web ...
Error code 520 Visit cloudflare.com for more information. 2024-12-28 15:24:06 UTCYou Browser Working Los Angeles Cloudflare Working www.mwam.com Host Error What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web ...
Error code 520 Visit cloudflare.com for more information. 2024-12-29 19:40:37 UTCYou Browser Working Los Angeles Cloudflare Working www.fminutes.com Host Error What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web...
Error code 520 Visit cloudflare.com for more information. 2024-12-25 23:51:57 UTCYou Browser Working Los Angeles Cloudflare Working www.squadhelp.com Host Error What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web...
Error 520 Ray ID: 66ceb3a9cea942d2 • 2021-07-11 02:46:31 UTC Web server is ...
Web server is returning an unknown errorError code 520 Visitcloudflare.comfor more information. 2024-09-20 17:48:51 UTC You Browser Working Los Angeles Cloudflare Working What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web page...
Web server is returning an unknown errorError code 520 Visitcloudflare.comfor more information. 2024-09-23 02:59:11 UTC You Browser Working Los Angeles Cloudflare Working What happened? There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web page...
In conclusion, the “Error 520: web server returns an unknown error” can be caused by various issues, such as origin web server crashes, Cloudflare IPs not allowed at your origin, headers exceeding 16 KB, or an empty response from the origin web server. If you encounter this error, conta...