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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 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 Many of these status codes are used in URL redirection.[2] A user agent may carry out the additional action with no user interaction only if the method used in the second Conflicts are most likely to occur in response to a PUT request. Source

Retrieved 16 October 2015. ^ "101". Microsoft. 2009. Project Euler Problem 35: counting circular primes below 1 million Have we attempted to experimentally confirm gravitational time dilation? so, it really depends on how your api will be used and who/what the target audience is. https://support.microsoft.com/en-us/kb/902160

403 Http

Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0). Oracle. Still Getting 401 Errors?If you've followed all the troubleshooting advice above but are still receiving a 401 Unauthorized error when accessing a certain web page or site, see Get More Help

  • Unlike a 204 response, this response requires that the requester reset the document view.[13] 206 Partial Content (RFC 7233) The server is delivering only part of the resource (byte serving) due
  • I know who you are–I believe who you say you are–but you just don’t have permission to access this resource.
  • Retrieved 16 October 2015. ^ Fisher, Tim. "502 Bad Gateway".
  • A server that wishes to make public why the request has been forbidden can describe that reason in the response payload (if any).
  • If the server does not know, or has no facility to determine, whether or not the condition is permanent, the status code 404 (Not Found) SHOULD be used instead.
  • Retrieved January 8, 2015. ^ "Ms-oxdisco".

Web Site Password. March 3, 2003. 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 401 Unauthorized Sharepoint 2013 The spec for 403 says An origin server that wishes to "hide" the current existence of a forbidden target resource MAY instead respond with a status code of 404 (Not Found).

Tools.ietf.org. 401 Vs 403 Parse this data stream for status codes and other useful information. RFC 1945. http://www.checkupdown.com/status/E401.html 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

Retrieved 16 October 2015. ^ ikitommi; Deraen. "metosin/ring-http-response". Error Code 401 Ffxiv The client MAY repeat the request with new or different credentials. Google Books. Is voluntarily revealing a card from your hand considered proposing?

401 Vs 403

If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. https://www.lifewire.com/401-unauthorized-error-what-it-is-and-how-to-fix-it-2622934 about tech. 403 Http By returning a 403 you are letting the client know it exists, no need to give that information away to hackers. Error 401 Gmail IETF.

imho, it wouldn't be appropriate to return 403 for something that can be accessed but you just didn't have the right credentials. http://bookmarq.net/error-code/http-error-code-12002.php Tools.ietf.org. If authentication credentials were provided in the request, the server considers them insufficient to grant access. HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV). 401 Unauthorized Iis

https://tools.ietf.org/html/rfc2518. Not the answer you're looking for? The logical conclusion is that a 403 should never be returned as either 401 or 404 would be a strictly better response. –CurtainDog Jun 21 '13 at 7:09 6 @Mel http://bookmarq.net/error-code/http-code-12002.php Retrieved 16 October 2015. ^ "RFC 7231, Section 6.3.4.". ^ "RFC 7230, Section 5.7.2.". ^ Simmance, Chris. "Server Response Codes And What They Mean".

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 404 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. What use cases are appropriate for each response?

Authorization will not help and the request SHOULD NOT be repeated.

Msdn.microsoft.com. https://tools.ietf.org/html/rfc2324. ^ Barry Schwartz (26 August 2014). "New Google Easter Egg For SEO Geeks: Server Status 418, I'm A Teapot". 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 Http 400 a script must serve them). –Kyle May 9 '13 at 13:20 | show 15 more comments up vote 251 down vote See the RFC: 401 Unauthorized: If the request already included

Hypertext Transfer Protocol -- HTTP/1.1. Retrieved 16 October 2015. ^ Goland, Yaronn; Whitehead, Jim; Faizi, Asad; Carter, Steve R.; Jensen, Del (February 1999). Semantic choice - 401 Unauthorized. Check This Out Retrieved 16 October 2015. ^ Singh, Prabhat; user1740567. "Spring 3.x JSON status 406 "characteristics not acceptable according to the request "accept" headers ()"".

{{offlineMessage}} Try Microsoft Edge, a fast and secure browser that's designed for Windows 10 Get started Store Store home Devices Microsoft Surface PCs & tablets Xbox Virtual reality Accessories Windows phone I will use "login" to refer to authentication and authorization by methods other than IANA-registered HTTP Authentication protocols. Depending upon the format and the capabilities of the user agent, selection of the most appropriate choice MAY be performed automatically. Retrieved February 25, 2011. ^ "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content".

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