| [1064] | 1 | ==HTTP Response Status Code Reference==
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| 2 | For use with ValExtLinks script (http://wiki.oni2.net/ValExtLinks).
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| 3 | Only codes encountered so far by ValExtLinks are listed here.
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| 4 | Source: https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
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| 5 |
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| 6 |
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| 7 | --2xx: Success--
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| 8 | This class of status codes indicates the action requested by the client was received, understood, accepted, and processed successfully.
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| 9 |
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| 10 | 200 OK
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| 11 | Standard response for successful HTTP requests.
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| 12 |
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| 13 |
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| 14 | --3xx: Redirection--
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| 15 | This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection.
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| 16 |
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| 17 | 301 Moved Permanently
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| 18 | This and all future requests should be directed to the given URI.
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| 19 |
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| 20 | 302 Found
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| 21 | This is an example of industry practice contradicting the standard. The HTTP/1.0 specification required the client to perform a temporary redirect (the original describing phrase was "Moved Temporarily"), but popular browsers implemented 302 with the functionality of a 303 See Other. Therefore, HTTP/1.1 added status codes 303 and 307 to distinguish between the two behaviors. However, some Web applications and frameworks use the 302 status code as if it were the 303.
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| 22 |
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| 23 | 307 Temporary Redirect
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| 24 | The request should be repeated with another URI; however, future requests should still use the original URI.
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| 25 |
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| 26 |
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| 27 | --4xx: Client Errors--
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| 28 | The 4xx class of status codes is intended for situations in which the client seems to have erred.
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| 29 |
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| 30 | 401 Unauthorized
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| 31 | Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided.
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| 32 |
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| 33 | 403 Forbidden
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| 34 | The request was valid, but the server is refusing action. The user might not have the necessary permissions for a resource.
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| 35 |
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| 36 | 404 Not Found
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| 37 | The requested resource could not be found but may be available in the future. Subsequent requests by the client are permissible.
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| 38 |
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| 39 | 405 Method Not Allowed
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| 40 | A request method is not supported for the requested resource; for example, a GET request on a form that requires data to be presented via POST, or a PUT request on a read-only resource.
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| 41 |
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| 42 | 406 Not Acceptable
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| 43 | The requested resource is capable of generating only content not acceptable according to the Accept headers sent in the request.
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| 44 |
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| 45 | 410 Gone
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| 46 | Indicates that the resource requested is no longer available and will not be available again. This should be used when a resource has been intentionally removed and the resource should be purged. Upon receiving a 410 status code, the client should not request the resource in the future.
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| 47 |
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| 48 |
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| 49 | --5xx: Server Errors--
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| 50 | The server failed to fulfil an apparently valid request.
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| 51 |
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| 52 | 500 Internal Server Error
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| 53 | A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.
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| 54 |
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| 55 | 501 Not Implemented
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| 56 | The server either does not recognize the request method, or it lacks the ability to fulfill the request. Usually this implies future availability (e.g., a new feature of a web-service API).
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| 57 |
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| 58 | 503 Service Unavailable
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| 59 | The server is currently unavailable (because it is overloaded or down for maintenance). Generally, this is a temporary state.
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