HTTP 102 Processing vs 520 Web Server Returned an Unknown Error
HTTP 102 (Processing) is a 1xx Informational response, while 520 (Web Server Returned an Unknown Error) is a 5xx Server Error response. 102 indicates that the server has received and is processing the request, but no response is available yet. Prevents the client from timing out. In contrast, 520 means that cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
説明
The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
このコードが表示される場合
During long-running WebDAV operations.
解決方法
Wait for the final response. This is an interim status to prevent timeouts.
説明
Cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
このコードが表示される場合
When Cloudflare receives an empty, unknown, or malformed response from the origin.
解決方法
Check origin server logs. Ensure responses include proper headers. Verify SSL configuration.
主な違い
102 is a 1xx Informational response, while 520 is a 5xx Server Error response.
HTTP 102: The server has received and is processing the request, but no response is available yet. Prevents the client from timing out.
HTTP 520: Cloudflare-specific. The origin server returned an unexpected response that Cloudflare could not process.
You encounter 102 when during long-running WebDAV operations.
You encounter 520 when when Cloudflare receives an empty, unknown, or malformed response from the origin.
どちらをいつ使うか
For 102 (Processing): Wait for the final response. This is an interim status to prevent timeouts. For 520 (Web Server Returned an Unknown Error): Check origin server logs. Ensure responses include proper headers. Verify SSL configuration.