The client error HTTP Status Code 411 Length Required indicates that the server refuses to accept the request if the defined Content-Length header is not met.
Meaning, the server refuses to accept the request without defined Content-Length.
If the client includes a valid Content-Length header field in the request message with the length of the message body, the client MAY repeat the request.
Error name: Content Length Required
Error number: Error 411
Applies to: Windows 11,10, 8, 7, Vista, XP
Description: The request is missing its Content-Length header.
411 Length Required
|RFC 7231, section 6.5.10: 411 Length Required||Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content|
411 Code References
Rails HTTP Status Symbol
Go HTTP Status Constant
Symfony HTTP Status Constant
Python2 HTTP Status Constant
Python3+ HTTP Status Constant
Python3.5+ HTTP Status Constant
What is content-length header?
The Content-Length header is a parameter that indicates the size of the message body in bytes (octets), sent to the recipient.
What does status code 411 Length Required means?
HTTP Status Code 411 Length Required means the server refuses to accept the request without defined Content-Length.
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