A code of 499 indicates that a token is required but was not submitted. 499 Request has been forbidden by antivirus Produced by some programs such as Wget when a malicious Intended for use with rate-limiting schemes. 431 Request Header Fields Too Large (RFC 6585) The server is unwilling to process the request because either an individual header field, or all the 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 Retrieved 16 October 2015. ^ "Twitter Error Codes & Responses". http://forumyaren.com/error-code/web-server-error-code-200.php
The range header is used by tools like wget to enable resuming of interrupted downloads, or split a download into multiple simultaneous streams. 207 Multi-Status (WebDAV) The 207 (Multi-Status) status code Note: The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Retrieved 16 October 2015. ^ Brown, Kevin; CRS... "getting 304 response even with django-cors-headers". Retrieved 16 October 2015. ^ ikitommi; Deraen. "metosin/ring-http-response".
Internet Engineering Task Force. 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. Responses are grouped in five classes: informational responses, successful responses, redirects, client errors, and servers errors.
Otherwise, the response MUST include all of the entity-headers that would have been returned with a 200 (OK) response to the same request. Retrieved 16 October 2015. ^ "HTTP Error 505 - HTTP version not supported". Since the redirection MAY be altered on occasion, the client SHOULD continue to use the Request-URI for future requests. Http Response Example nginx inc.
https://tools.ietf.org/html/rfc2774. Http Status Code 400 A client MUST be prepared to accept one or more 1xx status responses prior to a regular response, even if the client does not expect a 100 (Continue) status message. The Location field gives the URI of the proxy. look at this web-site nginx 1.9.5 source code.
Wikipedia Transparent content negotiation for the request results in a circular reference. 507 Insufficient Storage (WebDAV) The 507 (Insufficient Storage) status code means the method could not be performed on the Error Code 500 https://tools.ietf.org/html/rfc2616#section-10.2.1. Retrieved 16 October 2015. ^ alex. "What is the correct HTTP status code to send when a site is down for maintenance?". httpstatus.
Except when responding to a HEAD request, the server SHOULD include an entity containing an explanation of the error situation, and whether it is a temporary or permanent condition. https://www.digitalocean.com/community/tutorials/how-to-troubleshoot-common-http-error-codes October 24, 2016 Changing direction: Pingdom's new ... Http Status Codes Cheat Sheet To have a server check if the request could be accepted based on the request's headers alone, a client must send Expect: 100-continue as a header in its initial request and Http Code 403 Therefore, the note SHOULD contain the information necessary for a user to repeat the original request on the new URI.
The client SHOULD continue by sending the remainder of the request or, if the request has already been completed, ignore this response. this website Oracle. The action required MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD. 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 Http Code 302
nginx 1.9.5 source code. Submit a request Popular questions: Why is my site slow, 522 errors, I'm expecting a spike in traffic cloudflare.com Terms Privacy Twitter Facebook Google+ LinkedIn Powered by Zendesk https://tools.ietf.org/html/rfc2295. Get More Info Retrieved 16 October 2015. ^ Singh, Prabhat; user1740567. "Spring 3.x JSON status 406 "characteristics not acceptable according to the request "accept" headers ()"".
Stack Overflow. Http 422 Retrieved October 26, 2009. ^ "MS-ASCMD, Section 188.8.131.52.2". httpstatus.
Retrieved 2016-01-09. ^ "ngx_http_special_response.c". For example, including local annotation information about the resource might result in a superset of the metainformation known by the origin server. The response must include a WWW-Authenticate header field containing a challenge applicable to the requested resource. Http 502 Read More » The 7 Layers of the OSI Model The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers.
Retrieved 16 October 2015. ^ "RFC2616 on status 416". 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). Clients such as search engines should remove the resource from their indices. Most use cases do not require clients and search engines to purge the resource, and a "404 Not Found" http://forumyaren.com/error-code/web-server-error-200.php Request for Comments.
Other services may wish to implement the 429 Too Many Requests response code instead. 422 Unprocessable Entity (WebDAV) The 422 (Unprocessable Entity) status code means the server understands the content type Cloudflare Cloudflare's reverse proxy service expands the 5xx series of errors space to signal issues with the origin server. 520 Unknown Error The 520 error is used as a "catch-all response Redirection messages 300 Multiple Choice The request has more than one possible responses. Connection Refused by Host Either you do not have permission to access the site or your password is incorrect.
The client MAY repeat the request with a suitable Authorization header field (section 14.8). The response MUST include the following header fields: - Date, unless its omission is required by section 14.18.1 If a clockless origin server obeys these rules, and proxies and clients add The request MAY be resubmitted after reducing the size of the request header fields. 451 Unavailable For Legal Reasons The user requests an illegal resource, such as a web page censored Wikipedia The server has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations applied to the current instance.
The protocol SHOULD be switched only when it is advantageous to do so. Authorization will not help and the request SHOULD NOT be repeated. Note: RFC 1945 and RFC 2068 specify that the client is not allowed to change the method on the redirected request.