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31 lines
1.3 KiB
Markdown
31 lines
1.3 KiB
Markdown
---
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set: 2
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code: 203
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title: Non-authoritative Information
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references:
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"Rails HTTP Status Symbol": ":non_authoritative_information"
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---
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The 203 (Non-Authoritative Information) status code indicates that the request
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was successful but the enclosed payload has been modified from that of the
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origin server's [200 (OK)](/200) response by a transforming proxy
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([Section 5.7.2 of RFC7230][2]). This status code allows the proxy to notify
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recipients when a transformation has been applied, since that knowledge might
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impact later decisions regarding the content. For example, future cache
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validation requests for the content might only be applicable along the same
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request path (through the same proxies).
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The 203 response is similar to the Warning code of 214 Transformation Applied
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([Section 5.5 of RFC7234][3]), which has the advantage of being applicable to
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responses with any status code.
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A 203 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][4]).
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Source: [RFC7231 Section 6.3.4][1]
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[1]: <http://tools.ietf.org/html/rfc7231#section-6.3.4>
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[2]: <http://tools.ietf.org/html/rfc7230#section-5.7.2>
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[3]: <http://tools.ietf.org/html/rfc7234#section-5.5>
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[4]: <http://tools.ietf.org/html/rfc7234#section-4.2.2> |