HTTP

HTTP 206 Partial Content vs 407 Proxy Authentication Required

HTTP 206 (Partial Content) is a 2xx Success response, while 407 (Proxy Authentication Required) is a 4xx Client Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 407 means that the client must first authenticate itself with the proxy.

Description

The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.

When You See It

During video streaming, large file downloads, or when resuming interrupted downloads.

How to Fix

No fix needed. This is normal behavior for range requests.

Description

The client must first authenticate itself with the proxy.

When You See It

When accessing the internet through a corporate proxy that requires authentication.

How to Fix

Configure proxy credentials in your HTTP client or browser settings.

Key Differences

1.

206 is a 2xx Success response, while 407 is a 4xx Client Error response.

2.

HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.

3.

HTTP 407: The client must first authenticate itself with the proxy.

4.

You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.

5.

You encounter 407 when when accessing the internet through a corporate proxy that requires authentication.

When to Use Which

For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 407 (Proxy Authentication Required): Configure proxy credentials in your HTTP client or browser settings.

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