HTTP 206 Partial Content vs 499 Client Closed Request
HTTP 206 (Partial Content) is a 2xx Success response, while 499 (Client Closed Request) is a 4xx Client Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.
Description
The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
When You See It
During video streaming, large file downloads, or when resuming interrupted downloads.
How to Fix
No fix needed. This is normal behavior for range requests.
Description
A non-standard status code used by Nginx when the client closes the connection before the server responds.
When You See It
In Nginx logs when clients timeout or navigate away before receiving the response.
How to Fix
Optimize server response times. Check for slow upstream services.
Key Differences
206 is a 2xx Success response, while 499 is a 4xx Client Error response.
HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
HTTP 499: A non-standard status code used by Nginx when the client closes the connection before the server responds.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 499 when in Nginx logs when clients timeout or navigate away before receiving the response.
When to Use Which
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.