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The response body SHOULD include enough information for the user to recognize the source of the conflict. 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). If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials. ... 403 Forbidden (10.4.4) Meaning: Unrelated to authentication ... I would return 401. Source

Because it indicates a fundamental authority problem, we can only resolve this by negotiation with the personnel responsible for security on and around the Web site. Conversely, if you do not provide them and the site does use this authentication, you also get a 401 error. The response MUST NOT include an entity. 10.2.7 206 Partial Content The server has fulfilled the partial GET request for the resource. The 304 response MUST NOT contain a message-body, and thus is always terminated by the first empty line after the header fields.

404 Error Page

User agents are encouraged to inspect the headers of an incoming response to determine if it is acceptable. June 8, 2016 What We’re Listening To: A Few of Our ... When the dust settled from this little shootout, we had the top list you can see here below. Otherwise, the response MUST include all of the entity-headers that would have been returned with a 200 (OK) response to the same request.

Likewise: HTTP 401.1: Denied by invalid user credentials HTTP 401.2: Denied by server configuration HTTP 401.3: Denied by resource ACL HTTP 401.4: Denied by custom ISAPI filter HTTP 401.5: Denied by Update From your use case, it appears that the user is not authenticated. Get the best of About Tech in your inbox. 400 Error Page How can I recreate the following image of a grid in TikZ?

Sometimes it can happen like this also: we gave the credentials in our office computer and it showed the web page, but when we  tried it with exact same credentials in 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. Write an HTTP data stream through that socket. http://pcsupport.about.com/od/findbyerrormessage/a/401error.htm Now coming back to our topic, if we see "401 Authorization Required" message in our web browser that means we first have to login i.e.

HTTP error 500 (internal server error) The description of this error pretty much says it all. 401 Error Page Template By returning a 403 you are letting the client know it exists, no need to give that information away to hackers. All Rights Reserved. OWASP has some more information about how an attacker could use this type of information as part of an attack.

403 Error Page

When helping customers with problems, we have often come upon the dreaded (and pretty vague) HTTP error 500, “internal server error”. Simple as that. –Shehi Mar 25 '13 at 14:09 11 You left out "Well that’s my view on it anyway :)" when copying from his blog post and unfortunately his 404 Error Page Since the redirection might be altered on occasion, the client SHOULD continue to use the Request-URI for future requests. 401 Error Page Example A professor has only proofread my paper.

But please don’t bother me again until your predicament changes.” In summary, a 401 Unauthorized response should be used for missing or bad authentication, and a 403 Forbidden response should be this contact form If the request method was not HEAD and the server wishes to make public why the request has not been fulfilled, it SHOULD describe the reason for the refusal in the If you have just logged in and received the 401 Unauthorized error, it means that the credentials you entered were invalid for some reason.How to Fix the 401 Unauthorized ErrorCheck for Please contact us (email preferred) if you see persistent 401 errors, so that we can agree the best way to resolve them. 401 errors in the HTTP cycle Any client (e.g. 500 Error Page

share|improve this answer edited Aug 29 '14 at 14:46 answered Feb 27 '13 at 9:44 Erwan Legrand 1,9711414 1 This is interesting. The client MAY repeat the request with a new or replaced Authorization header field (Section 4.1). More on HTTP Error 401 there are some specifications on it. have a peek here Propeller Pin it B3ta Pin it Cuoma Pin it Tinsanity Pin it latelategifts Pin it Huml Pin it 24-4 Media Pin it CssTricks Pin it Renkoo Pin it iFolderLinks Pin it

Note: When automatically redirecting a POST request after receiving a 301 status code, some existing HTTP/1.0 user agents will erroneously change it into a GET request. 10.3.3 302 Found The requested 402 Error Page These response codes are applicable to any request method. 10.5.1 500 Internal Server Error The server encountered an unexpected condition which prevented it from fulfilling the request. 10.5.2 501 Not Implemented This is commonly known as "HTTP Basic Authentication".

In this situation we should contact the web master of that site.

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. Cumbayah's answer got it right. 401 means "you're missing the right authorization". If you don't have credentials, follow the instructions provided on the website for setting up an account. If you're sure the page you're trying to reach shouldn't need authorization, the 401 Unauthorized Custom 401 Error Page The response SHOULD contain an entity describing why that version is not supported and what other protocols are supported by that server.

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 The server MAY close the connection to prevent the client from continuing the request. So, for authorization I use the 403 Forbidden response. http://postmapper.com/error-page/500-error-page.html All comments that are not related to the post will be removed.Comment Name * Email * Previous The size of IBM makes Microsoft and Google look like tiny startups   Next

In this case, the response entity would likely contain a list of the differences between the two versions in a format defined by the response Content-Type. 10.4.11 410 Gone The requested This response is cacheable unless indicated otherwise. RFC states clearly thath "authorization will not help" in the case of 403. –Davide R. The system returned: (22) Invalid argument The remote host or network may be down.

No indication is given of whether the condition is temporary or permanent. If the request included authentication credentials, then the 401 response indicates that authorization has been refused for those credentials. The statement is "If the request already included Authorization credentials". Note: previous versions of this specification recommended a maximum of five redirections.

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