401 Http Error
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requires user authentication 1) which has not yet been provided or 2) which has been provided but failed authorization tests. This 403 http error is commonly known as "HTTP Basic Authentication". The actual authentication request expected
404 Http Error
from the client is defined in the HTTP protocol as the WWW-Authenticate header field. (Last updated: March 2012).
Http 401 Error Iis
Generally this error message means you need to log on (enter a valid user ID and password) somewhere first. If you have just entered these and then immediately see a 401
411 Http Error
error, it means that one or both of your user ID and password were invalid for whatever reason (entered incorrectly, user ID suspended etc.). Fixing 401 errors - general Each Web Server manages user authentication in its own way. A security officer (e.g. a Web Master) at the site typically decides which users are allowed to access the URL. This person 407 http error then uses Web server software to set up those users and their passwords. 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. Refer any security issues direct to them. If you think that the URL Web page *should* be accessible to all and sundry on the Internet, then a 401 message indicates a deeper problem. The first thing you can do is check your URL via a Web browser. This browser should be running on a computer to which you have never previously identified yourself in any way, and you should avoid authentication (passwords etc.) that you have used previously. Ideally all this should be done over a completely different Internet connection to any you have used before (e.g. a different ISP dial-up connection). In short, you are trying to get the same behaviour a total stranger would get if they surfed the Internet to the Web page. If this type of browser check indicates no authority problems, then it is possible that
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408 Request Timeout 3 HTTP Status Code Errors 4 How to Fix a 403 Forbidden Error 5 How to Fix a 400 Bad Request Error About.com About Tech PC Support . . http://pcsupport.about.com/od/findbyerrormessage/a/401error.htm . Troubleshooting Guides Error Messages 0 to 9 Error Messages 401 Unauthorized Error (What It Is and How to Fix It) How to Fix a 401 Unauthorized Error traffic_analyzer / Getty Images By http://royal.pingdom.com/2009/05/06/the-5-most-common-http-errors-according-to-google/ Tim Fisher PC Support Expert Share Pin Tweet Submit Stumble Post Share By Tim Fisher Updated August 24, 2016. How You Might See the 401 Error401 Unauthorized error messages are often customized by each http error website, especially very large ones, so keep in mind that this error may present itself in more ways than the common ones listed below."401 Unauthorized" "Authorization Required" "HTTP Error 401 - Unauthorized"The 401 Unauthorized error displays inside the Internet browser window, just as web pages do.Cause of 401 Unauthorized ErrorsThe 401 Unauthorized error is an HTTP status code that means the page you were trying to access cannot be http error 401 loaded until you first log in with a valid user ID and password. 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 errors in the URL. It's possible that the 401 Unauthorized error appeared because the URL was typed wrong or the link that was clicked on points to the wrong URL - one that is for authorized users only. continue reading below our video How to Fix Browser Error Codes If you're sure the URL is valid, visit the website's main page and look for a link that says Login or Secure Access. Enter your credentials here and then try the page again. 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 error message may be a mistake. At this point, it's probably in your best interest to contact the webmaster or other website contact and inform them of the problem. The webmaster of most Internet sites can be reached via email at webmaster@website.c
2009 in Tech blog Sometimes when you try to visit web page, you’re met with an HTTP error message. It’s a message from the web server that something went wrong. In some cases it could be a mistake you made, but often it’s the site’s fault. Each type of error has an HTTP error code dedicated to it. For example, if you try to access a non-existing page on a website, you will be met by the familiar 404 error. Now, you might wonder, which are the most common HTTP errors that people encounter when they surf the Web? That is the question we’ll answer in this article. Google to the rescue Why not let millions of Web users tell us themselves what errors they encounter the most? In an indirect way we can do that via Google. The basic idea here is that some of the people who encounter errors when they visit websites will want to know more about that error, and will go to the nearest search engine to do so. In short, Google’s search statistics should in this case be able to give us a pretty good idea of which HTTP errors are most common. Using Google Insights for Search (a great tool for estimating the “popularity” of search terms) we went through all of the different HTTP error codes that exist, comparing them against each other. When the dust settled from this little shootout, we had the top list you can see here below. The top 5 errors, according to Google Here they are, listed and explained in reverse order, the five most common HTTP errors. Drumroll, please… 5. HTTP error 401 (unauthorized) This error happens when a website visitor tries to access a restricted web page but isn’t authorized to do so, usually because of a failed login attempt. 4. HTTP error 400 (bad request) This is basically an error message from the web server telling you that the application you are using (e.g. your web browser) accessed it incorrectly or that the request was somehow corrupted on the way. 3. HTTP error 403 (forbidden) This error is similar to the 401 error, but note the difference between unauthorized and forbidden. In this case no login opportunity was available. This can for example happen if you try to access a (forbidden) directory on a we