407
HTTP 407 Proxy Authentication Required
4xx Client Error
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4xx Client Error
RFC 7235, Section 3.2
What is HTTP 407 Proxy Authentication Required?
The 407 (Proxy Authentication Required) status code is similar to 401 but indicates that the client must authenticate with a proxy server. The response must include a Proxy-Authenticate header field containing a challenge applicable to the proxy.
Common Use Cases
- Corporate proxy authentication
- Network gateway authentication