HTTP 206 Partial Content vs 411 Length Required
HTTP 206 (Partial Content) is a 2xx Success response, while 411 (Length Required) 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, 411 means that the server refuses to accept the request without a Content-Length header.
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
The server refuses to accept the request without a Content-Length header.
When You See It
When sending a request body without specifying Content-Length.
How to Fix
Include a Content-Length header in your request.
Key Differences
206 is a 2xx Success response, while 411 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 411: The server refuses to accept the request without a Content-Length header.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 411 when when sending a request body without specifying Content-Length.
When to Use Which
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 411 (Length Required): Include a Content-Length header in your request.