User agents SHOULD display any included entity to the user. Otherwise the client MAY present any entity included in the 510 response to the user, since that entity may include relevant diagnostic information. Often the result of too much data being encoded as a query-string of a GET request, in which case it should be converted to a POST request. Called "Request-URI Too Long" Msdn.microsoft.com. http://txtbl.com/error-code/web-server-error-code-200.html
RFC 2774. Google to the rescue Why not let millions of Web users tell us themselves what errors they encounter the most? For use when authentication is possible but has failed or not yet been provided 402 Payment Required Reserved for future use 403 Forbidden The request was a legal request, but the 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 https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
If the server in question is a reverse proxy server, such as a load balancer, here are a few things to check: The backend servers (where the HTTP requests are being Learn more → 10 How To Troubleshoot Common HTTP Error Codes PostedOctober 24, 2014 86.8k views FAQ Apache Nginx Introduction When accessing a web server or application, every HTTP request that It's usually the other guy's fault -- the Web server, that is. The new permanent URI SHOULD be given by the Location field in the response.
It was used in a previous version of the HTTP 1.1 specification. 307 Temporary Redirect Server sent this response to directing client to get requested resource to another URI with same ArcGIS Server SOAP SDK. ^ "HTTP Error Codes and Quick Fixes". If the 302 status code is received in response to a request other than GET or HEAD, the user agent MUST NOT automatically redirect the request unless it can be confirmed Http Response Example Iana.org.
https://tools.ietf.org/html/rfc2518. Http Status Code 400 If the 510 response contains information about extensions that were not present in the initial request then the client MAY repeat the request if it has reason to believe it can Here are a few examples of when a 400 Bad Request error might occur: The user's cookie that is associated with the site is corrupt. https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions.
Retrieved May 1, 2012. ^ Bray, T. (February 2016). "An HTTP Status Code to Report Legal Obstacles". Error Code 500 Unknown clients then have all traffic blocked, except for that on TCP port 80, which is sent to a HTTP server (the "login server") dedicated to "logging in" unknown clients, and Retrieved April 1, 2009. ^ "10 Status Code Definitions". Retrieved 16 October 2015. ^ a b c d "Hypertext Transfer Protocol (HTTP) Status Code Registry".
User agents should display any included entity to the user. 400 Bad Request The server cannot or will not process the request due to an apparent client error (e.g., malformed request So, for example, submitting a form to a permanently redirected resource may continue smoothly. 4xx Client Error 404 error on German Wikipedia The 4xx class of status code is intended for Http Status Codes Cheat Sheet Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and indicate whether it is a temporary or permanent condition. Http Code 403 Retrieved 16 October 2015. ^ "Does Google treat 404 and 410 status codes differently? (Youtube)".
If the response is the result of an If-Range request that used a weak validator, the response MUST NOT include other entity-headers; this prevents inconsistencies between cached entity-bodies and updated headers. http://txtbl.com/error-code/web-server-error-list.html Retrieved 7 March 2015. ^ "Server Error Codes". The response 417 Expectation Failed indicates the request should not be continued. 101 Switching Protocols The requester has asked the server to switch protocols and the server has agreed to do Drupal. Http Code 302
https://tools.ietf.org/html/rfc1945. Upon receiving a 410 status code, the client should not request the resource in the future. Some servers may wish to simply refuse the connection. 10.5.5 504 Gateway Timeout The server, while acting as a gateway or proxy, did not receive a timely response from the upstream weblink 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) , since many pre-HTTP/1.1 user agents do
When a server is under attack or just receiving a very large number of requests from a single party, responding to each with a 429 status code will consume resources. Http 422 HAR files provide a useful source of information to compare the response headers from origin, and while CF is proxying the request (useful to confirm if header response are too large). IETF.
The client MAY repeat the request with a suitable Authorization header field (section 14.8). In common use, a response carrying the 511 status code will not come from the origin server indicated in the request's URL. Wikipedia The URI provided was too long for the server to process. 415 Unsupported Media Type The server is refusing to service the request because the entity of the request is Http 502 Contents 1 1xx Informational 2 2xx Success 3 3xx Redirection 4 4xx Client Error 5 5xx Server Error 6 Unofficial codes 6.1 Internet Information Services 6.2 nginx 6.3 Cloudflare 7 See
Request for Comments. Since the redirection MAY be altered on occasion, the client SHOULD continue to use the Request-URI for future requests. Wikipedia The server successfully processed the request, but is not returning any content. check over here Not present in HTTP/1.0: available since HTTP/1.1 204 No Content The server has fulfilled the request but does not need to return an entity-body, and might want to return updated metainformation.
Not observing these limitations has significant security consequences. If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. IETF. For example, if versioning were being used and the entity being PUT included changes to a resource which conflict with those made by an earlier (third-party) request, the server might use
Google Books. As an example of its use, however, Apple's MobileMe service generates a 402 error ("httpStatusCode:402" in the Mac OS X Console log) if the MobileMe account is delinquent. 403 Forbidden The Stack Overflow. September 23, 2016 Pingdom checks if Pokémon Go's se...