2015-11-06 22:55:41 +01:00
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---
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set: 3
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code: 308
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title: Permanent Redirect
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---
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2015-11-07 03:57:14 +01:00
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The 308 (Permanent Redirect) status code indicates that the target resource has
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been assigned a new permanent URI and any future references to this resource
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ought to use one of the enclosed URIs. Clients with link editing capabilities
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ought to automatically re-link references to the effective request URI
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([Section 5.5 of RFC7230][2]) 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
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([[RFC7231], Section 7.1.2][3]) in the response containing a preferred URI
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reference for the new permanent URI. The user agent MAY use the Location field
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value for automatic redirection. The server's response payload usually contains
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a short hypertext note with a hyperlink to the new URI(s).
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A 308 response is cacheable by default; i.e., unless otherwise indicated by the
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method definition or explicit cache controls ([see RFC7234, Section 4.2.2][4]).
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Note: This status code is similar to 301 (Moved Permanently)
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([RFC7231, Section 6.4.2][5]), except that it does not allow changing the
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request method from POST to GET.
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Source: [RFC738 Section 3][1]
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[1]: <http://tools.ietf.org/html/rfc7538#section-3>
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[2]: <http://tools.ietf.org/html/rfc7230#section-5.5>
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[3]: <http://tools.ietf.org/html/rfc7231#section-7.1.2>
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[4]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>
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[5]: <http://tools.ietf.org/html/rfc7231#section-6.4.2>
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