Asp.net Custom 401 Error Page
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Asp.net Mvc Custom 401 Page
it only takes a minute: Sign up customerrors for 401.2 in ASP.NET up vote 7 down vote favorite I successfully implemented role based authorization in ASP.NET. When a person does not have the needed role he gets to see an error page for 401.2 not authorized. What I would like to accomplish now is to have a custom 401 asp.net custom access denied page page in my application and have it redirected there via settings in the web.config. I tried this:
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Custom 401 Page Apache
community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up ASP.NET WindowsAuthentication custom 401 Unauthorized error page up vote 7 down vote favorite 2 I http://stackoverflow.com/questions/2057014/customerrors-for-401-2-in-asp-net have an ASP.NET web-site with authentication using ActiveDirectory. Now, when an authenticated user opens a page - he is automatically authenticated. I have faced a problem - when a non-authenticated user (for example, a Mozilla Firefox user with not defined network.automatic-ntlm-auth.trusted-uris property) opens a page, IIS sends 401 response and prompts for a login \ password. What I want is not to prompt him for a login \ password - http://stackoverflow.com/questions/32139662/asp-net-windowsauthentication-custom-401-unauthorized-error-page just show a custom error page. It sounds pretty simple - authenticated users get the requested page, non-authenticated are redirected to a custom error page. It would work fine for FormsAuthentication. However, I have tried so many ways by now. Any Web.config redirects are not working. Even if I clear a Response and put there a redirect - I will get a loop because this custom page (*e.g., /Error/AccessDenied) also requires authentication. Marking a controller as AllowAnonymous does nothing. However, if I enable Anonymous authentication in IIS Manager, real authenticated domain users are not being authorized when they open a web-site. How can I solve this problem? c# asp.net asp.net-mvc authentication windows-authentication share|improve this question edited Aug 24 '15 at 9:55 asked Aug 21 '15 at 11:53 Yeldar Kurmangaliyev 16.3k72149 You want non-IE users to be redirect to another page? URL rewriting based on User Agent is the way to go. –Lex Li Aug 21 '15 at 14:05 Not possible. First request from browser is always anonymous. IIS always responds with 401 Unauthorized with www.authenticate: negotiate (or NTLM or both) header. The client (browser) then requests again with Authorization: Negotiate ..hash.. header this time. Depending on trusted-site, browser will always ask for credentials. You cannot show
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and http://serverfault.com/questions/458394/iis-7-5-how-to-configure-custom-authentication-error-page-with-windows-authenti policies of this site About Us Learn more about Stack Overflow the https://www.stokia.com/support/misc/web-config-custom-httperrors.aspx company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can error page ask a question Anybody can answer The best answers are voted up and rise to the top IIS 7.5: How to configure custom Authentication Error page with Windows Authentication. 401 header problems up vote 12 down vote favorite 4 I have a php website running under IIS 7.5. The site is secured by Windows authentication and that works fine: When users go custom 401 page to the site, they are asked for username/password and get through if authenticated. If users click Cancel or mistype password 3 times, they are shown 401 error page: Now I would like to show custom page explaining how to log-in. So I go to Error pages, select status code 401.2 and point it to the page I would like to display: Then make sure the custom errors are turned on for everybody. And kaa-boom! Authentication does not work any more, users are not presented with the password prompt. As documentation says, Windows Authentication works by sending 401 reply first, then browser asks user to provider credentials and then they work out what to do next. What happens here: on first request for the page IIS tries to send 401-header, but notices that web.config says "on 401 redirect to this page". And instead of authentication, it just gives the redirect page. I've tried replacing 401, 401.1, 401.2 - made no difference. What am I doing wrong and how to give custom page on user authentication error? p.s. Here is the web.config:
your web site. The custom errors can be set or overridden on a site wide or directory-by-directory basis. While some web.config sections require that the directory is set as an application, this isn't one of them. A simple web.config with a httpErrors section may be placed in any directory, and the directory does NOT need to be set as an application. What are http errors? HTTP errors are returned to the client when something goes wrong on the server. Error status codes are returned if the requested file isn't found (404), or due to coding errors in the web page (500), and due to temporary issues such as failed database connections (500). The most common errors are 404 (file not found) and 500 (application) errors. Custom 404 and 500 errors are typically used to provide a friendlier error message to your users. Custom 404 and 500 errors could also redirect the user to the default (or any) page, and are sometimes used to notify the web site administrator of problems on the web site. If you wish to configure custom errors for your site, or even just for a single directory in your site, please follow the directions on this page. 400 Error (bad request) 401 Error (unauthorized) 403 Error (forbidden) 404 Error (not found) 500 Error (internal server error) How it's done Example custom HTTP errors. Comments are enclosed in and are not required. Capture and return specific error types