Http Error Code Meanings
DNS) it needed to access in attempting to complete the request. See Basic access authentication and Digest access authentication. The only methods that servers are required to support (and therefore that must not return this code) are GET and HEAD. 502 Bad Gateway This error response means that the server, while In a GET request, the response will contain an entity corresponding to the requested resource. have a peek at these guys
Using this saves bandwidth and reprocessing on both the server and client, as only the header data must be sent and received in comparison to the entirety of the page being This code is only allowed in situations where it is expected that the user might be able to resolve the conflict and resubmit the request. koozai. Intended to prevent "the 'lost update' problem, where a client GETs a resource's state, modifies it, and PUTs it back to the server, when meanwhile a third party has modified the https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
Http Status Code 400
Note that together with this response, a user-friendly page explaining the problem should be sent. The request should be retried after performing the appropriate action. 450 Blocked by Windows Parental Controls (Microsoft) Wikipedia A Microsoft extension. The request might or might not eventually be acted upon, as it might be disallowed when processing actually takes place.
This code indicates that the server has received and is processing the request, but no response is available yet. For example, if the client asked for a part of the file that lies beyond the end of the file. 417 Expectation Failed The expectation given in an Expect request-header field Upon receiving a 410 status code, the client should not request the resource again in the future. Http 422 The server MAY close the connection to prevent the client from continuing the request.
See section 8.2.3 for detailed discussion of the use and handling of this status code. Http Status Codes Cheat Sheet The status codes 303 and 307 have been added for servers that wish to make unambiguously clear which kind of reaction is expected of the client. 10.3.4 303 See Other The 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. Internet Information Services The Internet Information Services expands the 4xx error space to signal errors with the client's request. 440 Login Timeout The client's session has expired and must log in
This condition is expected to be considered permanent. Http 403 The new URI is not a substitute reference for the originally requested resource. The new permanent URI SHOULD be given by the Location field in the response. Index File Does Not Exist If the user is trying to access a directory that does not have a default index file, and directory listings are not enabled, the web server
Http Status Codes Cheat Sheet
Server errors, or HTTP status codes from 500 to 599, are returned by a web server when it is aware that an error has occurred or is otherwise not able to Wikipedia The request was a legal request, but the server is refusing to respond to it. Http Status Code 400 No indication is given of whether the condition is temporary or permanent. Http Response Example If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.
SEO & SEM tools Online marketing tools, made available to assist webmasters with their seo strategy. More about the author If more ASP requests arrive than there are threads available to execute them, ASP places the extra requests in a queue, where they wait until a thread becomes available. Client Error 400 - Bad RequestA status code of 400 indicates that the server did not understand the request due to bad syntax.401 - UnauthorizedA 401 status code indicates that before For example, a POST request should be repeated using another POST request. 308 Permanent Redirect (RFC 7538) The request and all future requests should be repeated using another URI. 307 and Http Code 302
If the user is unexpectedly receiving a 404 Not Found error, here are some questions to ask while troubleshooting: Does the link that directed the user to your server resource have The client SHOULD NOT repeat the request without modifications. 10.4.2 401 Unauthorized The request requires user authentication. Therefore, the note SHOULD contain the information necessary for a user to repeat the original request on the new URI. check my blog The 204 response MUST NOT include a message-body, and thus is always terminated by the first empty line after the header fields. 10.2.6 205 Reset Content The server has fulfilled the
Wikipedia Standard response for successful HTTP requests. Http 404 Wikipedia The server is unable to store the representation needed to complete the request. 508 Loop Detected (WebDAV) The 508 (Loop Detected) status code indicates that the server terminated an operation The response MUST NOT include an entity.
Note: Some sites issue HTTP 401 when an IP address is banned from the website (usually the website domain) and that specific address is refused permission to access a website. 402
o 401.7 – Access denied by URL authorization policy on the Web server. These response codes are applicable to any request method. 500 Internal Server Error A generic error message, given when an unexpected condition was encountered and no more specific message is suitable. Hypertext Transfer Protocol -- HTTP/1.1. Http 500 It means, simply, that the request was received and understood and is being processed.201 - CreatedA 201 status code indicates that a request was successful and as a result, a resource
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"), External links Wikimedia Commons has media related to HTTP. The response representations SHOULD include details explaining the condition, and MAY include a Retry-After header indicating how long to wait before making a new request. news TRACE: The message body contains the request message as received by the server 201 Created The request has succeeded and a new resource has been created as a result of it.
Retrieved 16 October 2015. ^ "RFC7235 on code 401". Error code response for missing or invalid authentication token. 402 Payment Required This code is reserved for future use. For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions. Wikipedia The origin server requires the request to be conditional.
If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. However, these risks are not unique to the 511 status code; in other words, a captive portal that is not using this status code introduces the same issues. These status codes are applicable to any request method. httpstatus.
The server is indicating that it is unable or unwilling to complete the request using the same major version as the client, as described in section 3.1, other than with this are some examples. 401 Unauthorized The request requires user authentication. Check out our Services and Portfolio or Get in Touch! o 403.15 - Client Access Licenses exceeded.
the one that was posted here was extensive enough for use... The entity returned with this response SHOULD include an indication of the request's current status and either a pointer to a status monitor or some estimate of when the user can The client MAY repeat the request with a suitable Authorization header field (section 14.8). A more technical breakdown of HTTP 1.1 status codes and their meanings is available at http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html.
o 403.8 - Site access denied. HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV). In a POST request the response will contain an entity describing or containing the result of the action.