Please Sign up or sign in to vote. See more: ASP. What is windows authentication and form authentication? Posted Jul am Jhansi Nadella. Add a Solution.
Top Rated Most Recent. Accept Solution Reject Solution. NET applications. When a user using this authentication logs in to an application, the credentials are matched with the Windows domain through IIS. There are 4 types of Windows Authentication methods: 1 Anonymous Authentication - IIS allows any user 2 Basic Authentication - A windows username and password has to be sent across the network in plain text format, hence not very secure.
Works only on IE 5 or above 4 Integrated Windows Authentication - Relies on Kerberos technology, with strong credential encryption Forms Authentication - This authentication relies on code written by a developer, where credentials are matched against a database. Credentials are entered on web forms, and are matched with the database table that contains the user information. Posted Jul pm Uday P. Forms authentication is where the user is required to login with credentials just for the web site.
Windows authentication is for when the web site will accept the user's Windows credentials for login purposes. AD FS analyzes the user agent string when performing logins in a browser or browser control. If the component of the user agent string does not match any of the components of the user agent strings that are configured in WIASupportedUserAgentStrings property, AD FS will fall back to providing forms-based authentication, provided that the WindowsIntegratedFallbackEnabled flag is set to True.
By default, a new AD FS installation has a set of user agent string matches created. However, these may be out of date based on changes to browsers and devices.
Particularly, Windows devices have similar user agent strings with minor variations in the tokens. The following Windows PowerShell example provides the best guidance for the current set of devices that are on the market today that support seamless WIA:.
In order to enable fall back to form based authentication for user agents other than those mentioned in the WIASupportedUserAgents string, set the WindowsIntegratedFallbackEnabled flag to true. This enables seamless logon to applications without having to manually enter credentials when you access resources protected by AD FS. Learn more. Asked 9 years, 10 months ago.
Active 3 years, 9 months ago. Viewed 49k times. Improve this question. Add a comment. Active Oldest Votes. There are 4 types of Windows Authentication methods: 1 Anonymous Authentication - IIS allows any user 2 Basic Authentication - A windows username and password has to be sent across the network in plain text format, hence not very secure.
Works only on IE 5 or above 4 Integrated Windows Authentication - Relies on Kerberos technology, with strong credential encryption Forms Authentication - This authentication relies on code written by a developer, where credentials are matched against a database.
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There are events raised at the very beginning and very end of the request, ones raised when the request is being authenticated and authorized, an event raised in the case of an unhandled exception, and so forth.
To see a complete listing of the events, refer to the HttpApplication object's events. HTTP Modules are managed classes whose code is executed in response to a particular event in the request lifecycle. If the user making the request is not authorized to access the requested resource, the authorization module terminates the request and returns an HTTP Unauthorized status. This status code causes the browser to prompt the user for their credentials via a modal dialog box. With forms authentication, however, the HTTP Unauthorized status is never sent to the browser because the FormsAuthenticationModule detects this status and modifies it to redirect the user to the login page instead via an HTTP Redirect status.
The login page's responsibility is to determine if the user's credentials are valid and, if so, to create a forms authentication ticket and redirect the user back to the page they were attempting to visit. The authentication ticket is included in subsequent requests to the pages on the website, which the FormsAuthenticationModule uses to identify the user.
After logging in, the forms authentication ticket must be sent back to the web server on each request so that the user remains logged in as they browse the site. This is typically accomplished by placing the authentication ticket in the user's cookies collection. Cookies are small text files that reside on the user's computer and are transmitted in the HTTP headers on each request to the website that created the cookie.
Therefore, once the forms authentication ticket has been created and stored in the browser's cookies, each subsequent visit to that site sends the authentication ticket along with the request, thereby identifying the user.
One aspect of cookies is their expiration, which is the date and time at which the browser discards the cookie. When the forms authentication cookie expires, the user can no longer be authenticated and therefore become anonymous. When a user is visiting from a public terminal, chances are they want their authentication ticket to expire when they close their browser.
When visiting from home, however, that same user might want the authentication ticket to be remembered across browser restarts so that they do not have to re-log in each time they visit the site. This decision is often made by the user in the form of a "Remember me" checkbox on the login page. In Step 3 we will examine how to implement a "Remember me" checkbox in the login page. The following tutorial addresses the authentication ticket timeout settings in detail.
It is possible that the user agent used to log on to the website may not support cookies. In such a case, ASP. NET can use cookieless forms authentication tickets. In this mode, the authentication ticket is encoded into the URL. We will look at when cookieless authentication tickets are used and how they are created and managed in the next tutorial. NET runtime. NET runtime's pipeline. NET runtime when a page with an extension of.
NET pipelines. Long story short, in versions prior to IIS 7, you can only use forms authentication to protect resources handled by the ASP. In order to reach the widest possible audience, the ASP. If you are using Visual Studio or a different edition of Visual Studio or SQL Server, don't worry - the steps will be nearly identical and any non-trivial differences will be pointed out.
The demo web application used in each tutorial is available as a download. This downloadable application was created with Visual Web Developer targeted for the.
NET Framework version 3. Since the application is targeted for. NET 3. Long story short, if you have yet to install.
Before we can configure forms authentication, we first need an ASP. NET website. Start by creating a new file system-based ASP. Choose the ASP. This will create a new web site with a Default. I will be using the Web Site Project model. If you are using a non-Express edition and want to use the Web Application Project model instead, feel free to do so but be aware that there may be some discrepancies between what you see on your screen and the steps you must take versus the screen shots shown and instructions provided in these tutorials.
Next, add a new Master Page to the site in the root directory named Site. Master pages enable a page developer to define a site-wide template that can be applied to ASP.
NET pages. The main benefit of master pages is that the site's overall appearance can be defined in a single location, thereby making it easy to update or tweak the site's layout. Define the site-wide page layout here in the master page. You can use the Design view and add whatever Layout or Web controls you need, or you can manually add the markup by hand in the Source view. NET 2. The master page uses cascading style sheets for positioning and styles with the CSS settings defined in the file Style.
A master page defines both the static page layout and the regions that can be edited by the ASP. NET pages that use the master page. With the markup entered above, switching to the Design view shows the master page's layout. Any ASP. NET pages that use this master page will have this uniform layout, with the ability to specify the markup for the MainContent region. At this point we have a Default.
While it is possible to manipulate the declarative markup of a web page to use a master page, if the page doesn't contain any content yet it is easier to just delete the page and re-add it to the project, specifying the master page to use.
Therefore, start by deleting Default. Next, right-click on the project name in the Solution Explorer and choose to add a new Web Form named Default. This time, check the "Select master page" checkbox and choose the Site. Figure 5 : Add a New Default. Instead, you need to add an item of type "Web Content Form. The new Default. Our master page includes a section for a menu or some other navigation interface.
We will create such an interface in a future tutorial. With the ASP. NET website created, our next task is to enable forms authentication. This attribute can have one of the following four values:.
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