494
Request Header Too Large
Client Errornginx returns this when request headers exceed the configured buffer size.
Category: 4xx Client Errors Non-standard: nginx
What is 494 Request Header Too Large?
HTTP 494 Request Header Too Large is a 4xx status code. nginx returns this when request headers exceed the configured buffer size.
Client Request
Server
Request Rejected
Common Causes
The request was malformed or invalid
The client lacks permission or valid authentication
The requested resource or route does not exist
A precondition or content requirement was not met
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