The server returns no information to the client and closes the connection (useful as a deterrent for malware). 449 Retry With (Microsoft) Wikipedia A Microsoft extension. The new permanent URI SHOULD be given by the Location field in the response. Wikipedia This is an example of industry practice contradicting the standard. The HTTP/1.0 specification (RFC 1945) 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. However, most existing user agent implementations treat 302 as if it were a 303 response, performing a GET on the Location field-value regardless of the original request method. http://orgias.org/http-code/http-500-error-wiki.html
Content developers should be aware that there might be clients that implement such a fixed limitation. Otherwise the client MAY present any entity included in the 510 response to the user, since that entity may include relevant diagnostic information. IETF. This response is only cacheable if indicated by a Cache-Control or Expires header field. https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
The client MAY repeat the request without modifications at any later time." 409 Conflict The request could not be completed due to a conflict with the current state of the resource. Retrieved 16 October 2015. ^ "Does Google treat 404 and 410 status codes differently? (Youtube)". How to handle a senior developer diva who seems unaware that his skills are obsolete? Date ETag and/or Content-Location, if the header would have been sent in a 200 response to the same request Expires, Cache-Control, and/or Vary, if the field-value might differ from that sent in any previous response for the same variant If the 206 response is the result of an If-Range request that used a strong cache validator (see section 13.3.3), the response SHOULD NOT include other entity-headers.
If, however, InCommon Operations signs metadata more than once per day (which happens on occasion), or more importantly, a key in metadata is compromised, necessitating an immediate production run, the fact that clients are attempting to refresh metadata hourly has significant potential benefit. Stack Overflow. A cache MUST NOT combine a 206 response with other previously cached content if the ETag or Last-Modified headers do not match exactly, see 13.5.4. Http Status Codes Cheat Sheet Retrieved 16 October 2015. ^ alex. "What is the correct HTTP status code to send when a site is down for maintenance?".
Tools.ietf.org. time constraints, etc.). 404 Not Found The server has not found anything matching the Request-URI. https://tools.ietf.org/html/rfc3229. https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html http://bugs.php.net/bug.php?id=20310 http://bugs.php.net/bug.php?id=16007 http://bugs.php.net/bug.php?id=3284 Also I have created the [read more...] Gray v.
General error when fulfilling the request would cause an invalid state. Http 504 Depending upon the format and the capabilities of the user agent, selection of the most appropriate choice MAY be performed automatically. Our really simple guide to web hosting (getting your web site and email addresses on the Internet using your own domain name). http://www.washingtonexaminer.com/historic-11-point-voter-intensity Trump is winning White men by 65/25 and losing White women within the margin of error at 44/46.
Wikipedia The request was a legal request, but the server is refusing to respond to it. http://stackoverflow.com/questions/2603595/why-am-i-getting-304-not-modified-error-on-some-links-when-using-httpwebrequ Basically I can identify 1 link which has an issue, and it seems to work fine, 2nd time it gets the error, 3rd time OK, 4th time gets the error, 5th time OK etc. Http Error Code If a Content-Length header field is present in the response, its value MUST match the actual number of OCTETs transmitted in the message-body. - Date - ETag and/or Content-Location, if the header would have been sent in a 200 response to the same request - Expires, Cache-Control, and/or Vary, if the field-value might differ from that sent in any previous response for the same variant If the 206 response is the result of an If-Range request that used a strong cache validator (see section 13.3.3), the response SHOULD NOT include other entity-headers. Http Code 302 The request might or might not eventually be acted upon, as it might be disallowed when processing actually takes place.
Unless the request method was HEAD, the entity of the response SHOULD contain a short hypertext note with a hyperlink to the new URI(s). weblink Likewise, user agents should display any included entity to the user. See section 8.2.3 for detailed discussion of the use and handling of this status code. If the 401 response contains the same challenge as the prior response, and the user agent has already attempted authentication at least once, then the user SHOULD be presented the entity that was given in the response, since that entity might include relevant diagnostic information. Http Response Example
Retrieved 2016-01-09. ^ "Troubleshooting: Error Pages". If the condition is temporary, the server SHOULD include a Retry- After header field to indicate that it is temporary and after what time the client MAY try again. 10.4.15 414 Request-URI Too Long The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret. Retrieved 16 October 2015. ^ "Mozilla Bugzilla Bug 187996: Strange behavior on 305 redirect". navigate here The 410 response is primarily intended to assist the task of web maintenance by notifying the recipient that the resource is intentionally unavailable and that the server owners desire that remote links to that resource be removed.
This interim response is used to inform the client that the initial part of the request has been received and has not yet been rejected by the server. Http 422 a PROPPATCH). 425 Reserved for WebDAV Slein, J., Whitehead, E.J., et al., "WebDAV Advanced Collections Protocol", Work In Progress. The server MUST send an Upgrade header field in a 426 response to indicate the required protocol(s) (Section 6.7 of [RFC7230]). 428 Precondition Required The origin server requires the request to be conditional.
Retrieved 7 March 2015. ^ "Server Error Codes". This response MUST NOT use the multipart/byteranges content- type. It is non-committal, meaning that there is no way in HTTP to later send an asynchronous response indicating the outcome of processing the request. Http 502 Wikipedia Defined in drafts of "WebDAV Advanced Collections Protocol", but not present in "Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol". 426 Upgrade Required Reliable, interoperable negotiation of Upgrade features requires an unambiguous failure signal.
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IETF. The client MAY repeat the request without modifications at any later time. 10.4.10 409 Conflict The request could not be completed due to a conflict with the current state of the resource. Wikipedia The server successfully processed the request, but is returning information that may be from another source. These status codes are applicable to any request method.
Common causes are a server that is down for maintenance or that is overloaded. In such cases the client may time-out the connection while waiting for a response. Note: Note to implementors: some deployed proxies are known to return 400 or 500 when DNS lookups time out. 10.5.6 505 HTTP Version Not Supported The server does not support, or refuses to support, the HTTP protocol version that was used in the request message. Retrieved November 11, 2015. ^ TheDeadLike. "HTTP/1.1 Status Codes 400 and 417, cannot choose which".
nginx inc. Unless the request method was HEAD, the entity of the response SHOULD contain a short hypertext note with a hyperlink to the new URI(s). There are at least two (not completely independent) approaches to conditional GET: Last-Modified / If-Modified-Since ETag / If-None-Match In both cases, the value of a response header is used as the value of a subsequent request header. HTTP access authentication is explained in "HTTP Authentication: Basic and Digest Access Authentication" . 10.4.9 408 Request Timeout The client did not produce a request within the time that the server was prepared to wait.
Wikipedia Similar to 403 Forbidden, but specifically for use when authentication is possible but has failed or not yet been provided.