Http error: 411 – Length Required

length required

A 411 Length Required status code indicates that the server refuses to accept the request without a valid Content-Length header field. This status code is similar to 400 Bad Request, but in this case, the server is specifically rejecting the request because it does not include a Content-Length header field.

411 errors are often caused by misconfigured server settings or invalid user input. For example, a user might try to upload a file that is too large for the server to accept. 

The following are some example scenarios that can cause a 411 Length Required error:

  • The user tries to upload a file that is too large for the server to accept.
  • The server is configured to require a Content-Length header field, but the user’s request does not include one.
  • The user’s request includes a Content-Length header field, but the value is invalid.

RFC: 7231 Section 6.5.10

Imran Selimkhanov

Imran is the founder of Productive Shop, he writes on B2B demand generation and SEO strategy topics to help startups understand how to win digital share of voice. Prior to Productive Shop, Imran led demand generation at an Oracle consultancy, ran an eCommerce site servicing LE teams, and prior to that, helped build PMO offices at technology startup companies. When he's not at work, Imran can be spotted hiking in the Rockies, honing his clay shooting skills, and tumbling off of black diamond ski tracks due to overconfidence in his skiing abilities.

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