497
HTTP Request Sent to HTTPS Port
Client Errornginx returns this when a plain HTTP request is sent to an HTTPS port.
Category: 4xx Client Errors Non-standard: nginx
What is 497 HTTP Request Sent to HTTPS Port?
HTTP 497 HTTP Request Sent to HTTPS Port is a 4xx status code. nginx returns this when a plain HTTP request is sent to an HTTPS port.
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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