HTTP

HTTP 413 Content Too Large vs 499 Client Closed Request

Both HTTP 413 (Content Too Large) and 499 (Client Closed Request) belong to the 4xx Client Error category. 413 indicates that the request payload exceeds the server's size limit. Meanwhile, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.

Description

The request payload exceeds the server's size limit.

When You See It

When uploading files that exceed the server's maximum upload size.

How to Fix

Reduce the payload size. Check server limits (Nginx: client_max_body_size, Apache: LimitRequestBody).

Description

A non-standard status code used by Nginx when the client closes the connection before the server responds.

When You See It

In Nginx logs when clients timeout or navigate away before receiving the response.

How to Fix

Optimize server response times. Check for slow upstream services.

Key Differences

1.

HTTP 413: The request payload exceeds the server's size limit.

2.

HTTP 499: A non-standard status code used by Nginx when the client closes the connection before the server responds.

3.

You encounter 413 when when uploading files that exceed the server's maximum upload size.

4.

You encounter 499 when in Nginx logs when clients timeout or navigate away before receiving the response.

When to Use Which

For 413 (Content Too Large): Reduce the payload size. Check server limits (Nginx: client_max_body_size, Apache: LimitRequestBody). For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.

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