IT Toolbox
Menu
Français
HomeHTTP 431 — Request Header Fields – Large
Error code

HTTP 431 — Request Header Fields – Large

Query headers exceed a server or proxy limit

TopicComputer error codes → About 1 min read

HTTP 431. — Request Header Fields — Large.

Domain : Web.Priority: Medium

What does this error mean?

Query headers exceed a server or proxy limit.

Probable causes

  • large cookies.
  • Matt Auth.
  • proxy.

Verification and resolution

  1. Test new session.
  2. measuring headers.
  3. control server limit.

Precaution: Delete all cookies can mask an application problem.

← Return to the basis of the codes of error

Quick diagnostic.

To diagnose HTTP code 431 in the Web domain, start with the following check: Test session new. Then compare the result to this probable cause: large cookies. Store context and the time of appearance to compare behavior before and after correction. Priority level indicated: Average.

Related resources

Relevant topic HTTP Header An HTTP header is a field carrying metadata about a request or response, such as content type or caching rules. Relevant topic HTTP Range Request An HTTP range request retrieves selected byte segments of a resource, useful for downloads and media seeking. Relevant topic HTTP Request An HTTP request specifies a method, target resource, headers, and optionally a body sent by a client. Relevant topic HTTP 400 — Bad Request The server considers the request invalid Relevant topic HTTP The protocol used to exchange resources between a web client and a server.
Support the development of BAOI Hosting, domains and new IT resources.
❤️ Support BAOI

My favorites