HTTP

HTTP 205 Reset Content vs 499 Client Closed Request

HTTP 205 (Reset Content) is a 2xx Success response, while 499 (Client Closed Request) is a 4xx Client Error response. 205 indicates that the server fulfilled the request and the client should reset the document view (e.g., clear a form). In contrast, 499 means that a non-standard status code used by Nginx when the client closes the connection before the server responds.

Description

The server fulfilled the request and the client should reset the document view (e.g., clear a form).

When You See It

After form submissions where the server wants the client to reset the form for new input.

How to Fix

The client should clear the form or reset the view. Rarely used in practice.

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.

205 is a 2xx Success response, while 499 is a 4xx Client Error response.

2.

HTTP 205: The server fulfilled the request and the client should reset the document view (e.g., clear a form).

3.

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

4.

You encounter 205 when after form submissions where the server wants the client to reset the form for new input.

5.

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

When to Use Which

For 205 (Reset Content): The client should clear the form or reset the view. Rarely used in practice. For 499 (Client Closed Request): Optimize server response times. Check for slow upstream services.

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