2015-11-06 21:39:33 +01:00
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---
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set: 4
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code: 407
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title: Proxy Authentication Required
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2015-11-07 05:34:40 +01:00
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references:
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"Rails HTTP Status Symbol": ":proxy_authentication_required"
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2015-11-06 21:39:33 +01:00
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---
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2015-11-09 02:44:05 +01:00
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Similar to [401 Unauthorized](/401), but it indicates that the client needs to
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2015-11-07 06:45:46 +01:00
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authenticate itself in order to use a proxy.
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2015-11-09 02:44:05 +01:00
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The proxy MUST send a Proxy-Authenticate header field<sup>[1](#ref-1)</sup>
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2015-11-07 06:45:46 +01:00
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containing a challenge applicable to that proxy for the target resource.
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The client MAY repeat the request with a new or replaced Proxy-Authorization
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2015-11-09 02:44:05 +01:00
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header field<sup>[2](#ref-2)</sup>.
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2015-11-07 05:34:40 +01:00
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2015-11-09 02:44:05 +01:00
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---
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* <span id="ref-1"><sup>1</sup> Proxy-Authenticate
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[RFC7235 Section 4.3][2]</span>
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* <span id="ref-2"><sup>2</sup> Proxy-Authorization
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[RFC7235 Section 4.4][3]</span>
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* Source: [RFC7235 Section 3.2][1]
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2015-11-07 05:34:40 +01:00
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[1]: <http://tools.ietf.org/html/rfc7235#section-3.2>
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[2]: <http://tools.ietf.org/html/rfc7235#section-4.3>
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[3]: <http://tools.ietf.org/html/rfc7235#section-4.4>
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