How to Fix HTTP 499 Status Code Client Closed Request The HTTP 499 status code, known as “Client Closed Request,” is an error that occurs when a client—typically a web browser or API client—closes the connection before the server finishes processing the request
What Does the 499 HTTP Error Code Mean? (And How to Fix It) The 499 HTTP code is not a particularly common error but it can prevent you from accessing your website The good news is that the error typically has more to do with the user rather than the server, which makes it easier to troubleshoot
HTTP 499 Client Closed Request: Definition Troubleshooting A 499 status code — officially logged as “499 Client Closed Request” — is a non-standard HTTP code used by the nginx web server It indicates that the client closed the connection before the server could send a response
What Is the 499 Status Code, and How To Avoid It? - ResultFirst The 499 status code is different from other HTTP standard codes, as they are strictly adhered to by official regulations The 499 status code is unique to Nginx; it indicates that the server had processed the request but was disconnected by the client too soon before the response could be produced
HTTP 499 Error Code: Causes Fixes Explained (2025) While harmless in some cases, it can lead to confusion in logs, disrupt uptime reporting, and even hide malicious activity In this guide, we’ll demystify the http 499 error code —covering its causes, implications, fixes, and why both technical teams and executives should pay attention