From RFC 7235 (Hypertext Transfer Protocol (HTTP/1.1): Authentication): 3.1. 401 Unauthorized The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for RFC 2616. A reference to the 1953 dystopian novel Fahrenheit 451, where books are outlawed, and the autoignition temperature of paper, 451°F. 499 Client Closed Request (Nginx) Wikipedia An Nginx HTTP server extension. because no matter which user logs in, these files will NEVER be served so there is no point in trying again. –Mel Dec 22 '11 at 5:01 1 This answer http://stackoverflow.com/questions/3297048/403-forbidden-vs-401-unauthorized-http-responses
401 Vs 403
RFC states clearly thath "authorization will not help" in the case of 403. –Davide R. Otherwise, the response MUST include all of the entity-headers that would have been returned with a 200 (OK) response to the same request. It can be used both when the set of request header fields in total are too large, and when a single header field is at fault. Who lost to Glass Joe?
The client MAY repeat the request if it adds a valid Content-Length header field containing the length of the message-body in the request message. 10.4.13 412 Precondition Failed The precondition given httpstatus. 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 Http 404 July 14, 2009.
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 The user agent MAY repeat the request with a new or replaced Authorization header field2. Is it unprofessional of me to play games before and after work, whilst at the office? Say, for instance, that the secure web page in question is a system admin page, or perhaps more commonly, is a record in a system that the user doesn't have access
Unless it was a HEAD request, the response SHOULD include an entity containing a list of resource characteristics and location(s) from which the user or user agent can choose the one Http 400 One more commonly used mechanism would be to respond to unauthenticated requests with a temporary redirect to a separate login page, with the original URL passed as a parameter so that By returning a 403 you are letting the client know it exists, no need to give that information away to hackers. Stack Overflow.
Based on RFC 7231 and RFC 7235, I don't see an obvious distinction between 401 and 403 –Brian Feb 27 '15 at 15:20 403 means "I know you but
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
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.
Wikipedia The request entity has a media type which the server or resource does not support.
Hypertext Transfer Protocol -- HTTP/1.1.
If the client is a user agent, it SHOULD NOT change its document view from that which caused the request to be sent.
Http Code 403
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. In the posed question, the user is presumably authenticated but not authorized. 401 is never the appropriate response for those circumstances. –ldrut Feb 5 '13 at 17:20 5 Brilliand is 401 Vs 403 Internet Engineering Task Force. Http Code 302 Nov 24 '12 at 10:40 7 @DavideR.
The server MUST send a final response after the request has been completed. weblink Note: RFC 2068 was not clear that 305 was intended to redirect a single request, and to be generated by origin servers only. The client MAY repeat the request with new or different credentials. The entity format is specified by the media type given in the Content- Type header field. Http Status Codes Cheat Sheet
This work by RestApiTutorial.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. it depends on the application but generally, if an authenticated user doesn't have sufficient rights on a resource, you might want to provide a way to change credentials or send a RFC 2295. navigate here So if you need to access the URL (or you forgot your user ID or password), only the security officer at that site can help you.
The spec says "credentials that are not adequate to gain access" instead of "credentials for an account that is unauthorized"; it does not use the word "authorized" in the conventional security Http 422 Many HTTP clients (such as Mozilla and Internet Explorer) do not correctly handle responses with this status code, primarily for security reasons. 306 Switch Proxy No longer used. Why is onboard/inflight shopping still a thing?
It's a file that is internal to the system; the outside should not even know it exists.
https://tools.ietf.org/html/rfc2774. The entity format is specified by the media type given in the Content-Type header field. Since HTTP/1.1 304 Not Modified If the client has performed a conditional GET request and access is allowed, but the document has not been modified, the server SHOULD respond with this Http Response Example that or a 401. –Mel Dec 22 '11 at 5:07 18 "The response MUST include a WWW-Authenticate header field (section 14.47) containing a challenge applicable to the requested resource." It
However, a request might be forbidden for reasons unrelated to the credentials. For instance, a POST request must be repeated using another POST request. 308 Permanent Redirect (experiemental) Wikipedia The request, and all future requests should be repeated using another URI. 307 and Retrieved October 24, 2009. ^ "Enum HttpStatus". his comment is here The origin server MUST create the resource before returning the 201 status code.
current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. 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). Retrieved February 8, 2015. ^ "Google API Standard Error Responses". General status code.
Unauthorized is not the same as Un-authenticated. @DavideR is right. If the server has a preferred choice of representation, it SHOULD include the specific URI for that representation in the Location field; user agents MAY use the Location field value for Tools.ietf.org. 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.
This response is primarily intended to allow input for actions to take place without causing a change to the user agent's active document view, although any new or updated metainformation SHOULD There seems to be a question on the roll-your-own-login issue (application). Retrieved October 24, 2009. ^ ikitommi; Daraen. "metosin/ring-http-response". This should be used when a resource has been intentionally removed and the resource should be purged.
If authentication credentials were provided in the request, the server considers them insufficient to grant access. The temporary URI SHOULD be given by the Location field in the response. Wikipedia The server was acting as a gateway or proxy and did not receive a timely response from the upstream server. 505 HTTP Version Not Supported The server does not support, Error code response for missing or invalid authentication token. 402 Payment Required This code is reserved for future use.