2015-11-06 21:39:33 +01:00
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---
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set: 4
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code: 404
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title: Not Found
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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": ":not_found"
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2015-11-06 21:39:33 +01:00
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---
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2015-11-07 06:45:46 +01:00
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The 404 Not Found status code indicates that the origin server did not find a
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2015-11-07 05:34:40 +01:00
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current representation for the target resource or is not willing to disclose
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2015-11-07 06:45:46 +01:00
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that one exists.
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A 404 status code does not indicate whether this lack of representation is
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temporary or permanent; the [410 (Gone)](/410) status code is preferred over 404
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if the origin server knows, presumably through some configurable means, that the
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condition is likely to be permanent.
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2015-11-07 05:34:40 +01:00
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A 404 response is cacheable by default; i.e., unless otherwise indicated by the
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method definition or explicit cache controls
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(see [Section 4.2.2 of RFC7234][2]).
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Source: [RFC7231 6.5.4][1]
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[1]: <http://tools.ietf.org/html/rfc7231#section-6.5.4>
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[2]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>
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