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37 lines
1.4 KiB
Markdown
37 lines
1.4 KiB
Markdown
---
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set: 3
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code: 301
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title: Moved Permanently
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references:
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"Rails HTTP Status Symbol": ":moved_permanently"
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"Go HTTP Status Constant": "http.StatusMovedPermanently"
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---
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The target resource has been assigned a new permanent URI and any future
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references to this resource ought to use one of the enclosed URIs.
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Clients with link-editing capabilities ought to automatically re-link references
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to the effective request URI to one or more of the new references sent by the
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server, where possible.
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The server SHOULD generate a Location header field in the response containing a
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preferred URI reference for the new permanent URI. The user agent MAY use the
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Location field value for automatic redirection. The server's response payload
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usually contains a short hypertext note with a hyperlink to the new URI(s).
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Note: For historical reasons, a user agent MAY change the request method from
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POST to GET for the subsequent request. If this behavior is undesired, the
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[307 Temporary Redirect](/307) status code can be used instead.
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A 301 response is cacheable by default; i.e., unless otherwise indicated by the
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method definition or explicit cache controls<sup>[1](#ref-1)</sup>.
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---
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* <span id="ref-1"><sup>1</sup> Calculating Heuristic Freshness
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[RFC7234 Section 4.2.2][2]</span>
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* Source: [RFC7231 Section 6.4.2][1]
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[1]: <http://tools.ietf.org/html/rfc7231#section-6.4.2>
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[2]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>
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