Security :: Finding Guideline For 'Role-based Authentication/authorization'?
Aug 26, 2010
In my asp.net website in VS-2005 with SQL-Server 2005 as db, I need to implement role-based Authentication/Authorization.
I am familiar to the practises used in role-based authentication..as I have previously worked on projects that used this method. However, my project lead used to design the database. Now I have an existing website where authentication has been set to anonymous by setting 'allow users="?"' in the authentication tags in web.config.
If I use the createUserWizard control and use the Membership.creatUser(.....) method in code behind will the asp.net security tables, like users, roles, userinrole etc get created on its own?
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Oct 5, 2010
I am trying to implement a simple role based authorization using forms authentication in ASP.net. It works perfectly fine in my local system but fails when I deploy in production (shared hosting). Whenever I try to log in, rather than taking me to the default page in specified directory it throws me back to the login page. I suspect that there is some issues with the configuration but not sure where the problem is. The code is provided below:
Web.config (root):
[Code]....
Web.config (Member directory):
[Code]....
Login.aspx:
[Code]....
Global.asax:
[Code]....
Works fine in local machine but shared hosting is not taking the authenticated user to the pages inside the secured folders. What can be the issue?
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Apr 26, 2010
Our team has recently implemented a role permission based authorization so that we can have granular control. This is similar to what Rockford Lhotka suggests herehttp://www.lhotka.net/weblog/PermissionbasedAuthorizationVsRolebasedAuthorization.aspx I have also read about the Claims based authorization which to me looks very similar to what we have. Can some one put in simple terms what the advantages of claims based authorization are.
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Feb 21, 2010
I've just started a small ASP.NET web application. In this project, I need to authenticate the users with Active Driectory. I managed to authenticate the users successfully with Active Directory. But with Authorization with Custom Role Provider, I'm so confused.You see, the user name and password are stored in AD. So, my approach is that after the LoggedIn event of the Login Control, I check if UserName is not yet stored in the Users table yet, then I will store the UserName there. Eventually, I have all the UserName of the AD users store in the Users table so I can assign Roles to the users.
Let's say I assigned UserA to RoleOne. After he logs in successfully, I do some query to look for his Roles.
Where do I keep the Role ticket? In the Cookie or in the session? How does the authorization of ASP.NET role provider work? I want to store the authentication ticket like ASP.NET role prover does too.
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Jan 30, 2010
i need clear expition for authentication and authorization in .net
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Nov 30, 2010
is possible or do you have to use a forms based auth when using a role manager?
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Jul 12, 2011
I have a simple intranet site. It has a role based authorization in the web.config file.
Any user's in a specific role called as "Apr-Sales-Writers" will be authorized to use those pages. If not, they will not be authorized. So far so good. Works fine. But we added additional functionality where a new active directory group (means new role) has to be added and user's belonging to this new AD group should be given access to only specific .aspx pages on the intranet site. I am using a web.sitemap and it looks like this.
If the user's belong to say AD group "Apr-Sales-Writers", they should access only default.aspx and salesData.aspx pages. User's belonging to new AD group (which I did not include in the web.config file below), should have access to other .aspx pages.
[CODE]<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode url="default.aspx" title="Home" description="Home">
<siteMapNode title="sales Data" description="sales Data">
<siteMapNode url="salesData.aspx" title="sales Data" description="sales Data" />
[Code] ....
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Feb 9, 2011
I have seen articles on Role Based Authorization in MS-Sql server-Asp.net but i did not find any article in MySql-ASP.net/vb.net, i am acheived this concept using session user name i am enabling certain parts of website to group A and certain parts of site to Group B but when i have more groups i cannot use this method.
Myrequirement is:
In Web applications, typically there exist certain parts of the site that only certain folks, or groups of persons can access. For example, imagine Web site used to administer the content on a company's public Internet Web site, where the public Web site lists products sold by the company. From the administrative site, all company employees might be able to make minor changes to the products' descriptions, quantity, and other such non-essential information. However, perhaps only a subset of trusted employees might be able to change the products' prices. And even a smaller subset of employees would be able to add new products or delete existing products from the database I would be delighted if any one provide the solution
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Feb 21, 2010
I've just started a small ASP.NET web application. In this project, I need to authenticate the users with Active Directory. I managed to authenticate the users successfully with Active Directory. But with Authorization with Custom Role Provider, I'm so confused. You see, the user name and password are stored in AD. So, my approach is that after the LoggedIn event of the Login Control, I check if UserName is not yet stored in the Users table yet, then I will store the UserName there. Finally, I have all the UserName of the AD users store in the Users table so I can assign Roles to the users. see my tables diagram below:
Let's say I assign UserA to RoleOne. After he logs in successfully, I do some query to look for his Roles.
Where do I keep the Role ticket? In the Cookie or in the session? How does the authorization of ASP.NET role provider work? I want to store the authorization ticket like ASP.NET role prover does too.
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Aug 2, 2011
I am having a very simple intranet site. I took the sample for my project from [URL] ....
I have integrated windows authentication with Role based authorization. There are only 3 .aspx pages and I have a tree view control on the master page. depending on the choices that the user's make on the tree view control the .aspx pages gets displayed.
There are only 2 active directory groups. Sales and Marketing. My network id is not in Sales AD group.So obviously it prompts me to put userid and password and it throws not authorized error when i try to access PortfolioData.aspx page. So far so good.
But I am a member of AD group MARKETING. I should be able open the page Schedules.aspx (please see the config file below). But I still get the Error message 401.2.: Unauthorized: Logon failed due to server configuration.
Code:
<!--
<authorization>
<allow roles="domainADGROUP_SALES"/>
<deny users="*"/>
</authorization>
[Code] .....
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Jun 16, 2015
i am developing the web application in Asp.net i hav many .aspx pages in the project some of belongs to Admin and some some of to Customer so how can i divide that and how to access admin pages to admin login and customer pages to customer login.
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Apr 21, 2010
What is the authentication mode available in ASP.NET? How do you set authentication mode in the ASP.NET application? How do you provide secured communication in ASP.NET? List out the difference between windows authentication and form authentication. ?
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May 18, 2010
I'm using Forms authentication in ASP.NET MVC website and I store user account login name in AuthCookie like this: FormsAuthentication.SetAuthCookie(account.Login, false); I want to ask if there is a possibility that user on client side will somehow manage to change his login name in AuthCookie and thus he will be for example impersonated as someone with higher privileges and authorized to do more actions than he is normally supposed to have. Also is it better to save in this cookie user account login name or user account ID number?
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Feb 16, 2010
I'm using Visual studio 2005 with C# on .NET framework 2.0.. I am implementing forms authentication in this project but the problem is when I'm on registration form ( outside login) and try to open any window on that form using java script (window. open) it redirects me to login page. How should i tackle this problem??
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Mar 12, 2010
I have several pages or views in my application which are essentially the same for both authenticated users and anonymous users. I'd like to limit the insert/update/delete actions in formviews and gridviews to authenticated users only, and allow read access for both authed and anon users.
I'm using the asp.net configuration system for handling authentication and roles. This system limits access based on path so I've been creating duplicate pages for authed and anon paths.The solution that comes to mind immediately is to check roles in the appropriate event handlers, limiting what possible actions are displayed (insert/update/delete buttons) and also limiting what actions are performed (for users that may know how to perform an action in the absence of a button.) However, this solution doesn't eliminate duplication - I'd be duplicating security code on a series of pages rather than duplicating pages and limiting access based on path; the latter would be significantly less complicated.I could always build some controls that offered role-based configuration, but I don't think I have time for that kind of commitment right now.Is there a relatively easy way to do this (do such controls exist?) or should I just stick to path-based access and duplicate pages?
Does it even make sense to use two methods of authorization? There are still some pages which are strictly for either role so I'll be making use of path-based authorization anyway.Finally, would using something other than path-based authorization be contrary to typical asp.net design practices, at least in the context of using the asp.net configuration system?
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Nov 30, 2010
I am going through the Security Tutorials here on ASP.Net. I am currently working on the last part of the Membership - User-Based Authorization. The tutorial covers restricting access to specific pages or to directories using a second Web.Config file. I am running into a problem with the myLogin page DestinationPageURL. Here is what is happening: 1. When the website starts, the Login page opens. 2. If I log in with an existing user, I am sent to the Default.aspx page. That is what is in the yLogin.DestinationPageURL for the login page.
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Apr 28, 2010
I have an old website running fine in Classic ASP with large customer base registered onto the site. The current site allows users to have their own user name(unique) registered against an ID assigned to them. They can change the User name later as well provided it is still Unique in the database(Database is SQLServer2005).
The Problem: Now i want to move the website to .NET and want to use the .NET Membership. I know how to create the database structure in SQL Server through aspnet_regsql script but my problem is how should i import the existing username and passwords as the password stored in MembershipDB is Hashed (salt). Also i might want to allow admins to impersonate as users later.
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Jan 27, 2011
I am using asp.net authentication and authorization with form authentication for my web application.
When I create a new user using asp.net create user control,the newly create user automatically gets logged in,the already logged users looses his session.
Don't know why this is happening.Is there some setting for this?
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Jul 8, 2010
I have a web application that requires two separate authentication and authorization.
In the root webconfig i configure the security for authenticating and authorizing public users
I also need authentication and authorization for the back end. That is the administrator who will manage the web application.
For this i have a subdirectory "admin" that will contain all the functionality for the back end. In the "admin" subdirectory i have a second web.config and i tried to add all the security for the administrator but it does not let me
Is it possible to have to separate authorization and authentication for a single web application. All the details will be save in microsoft's sql tables generate (for example aspnet... tables)
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Apr 6, 2010
We use Sharepoint to control our websites. We build the sites, then load them into the sharepoint server. My question is if I use windows authentication, how can I get my role security in my web config file to coencide with the asp.net controls that use the Forms authentication. Is there a differenence? Our security uses a session variable for security but there is no where to set up their permissions except in active directory. I hope this makes sense because I would like to implement the LoginView with Role groups but how can I give them the role="administrator"? Do I have to go into active directory and give them these permissions(would take awhile due to the size of the company)? Or do I have to set up priveladges in the web.config file for each user(difficult I think)?
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Oct 27, 2010
I have implemented role based security in my asp.net 2.0 vb.net application using windows authentication and the windowstokenroleprovider and limiting access to certain pages using the location tag to specific active directory groups.
The issue is that when a user tries to access a page they are not authorized to view it brings up a login prompt and when it does not pass it takes them to the default page that tells them they are not authorized to view the page. I am wondering if there is a way to throw up a custom page that tells them they are not athorized to view the page that I can incorporate into the site itself with the header and so forth? if this page could come up in lieu of the sign in box popping up as well.
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Mar 29, 2011
I am using ASP.NET MVC 3 and am trying to do something that should be really straight forward...
My application uses Forms authentication and that is working perfectly for controllers/actions. For example if I decorate either a controller or an action with the attribute below only members of the administrators group can view them:
[Authorize(Roles="Administrators")]
However I have a folder under the default Scripts folder called Admin. I only want members of the Administrators group to be able to access scripts within this directory so I created a new web.config in the directory with the following inside:
[code]....
However no matter whether a user is a member of the Administrators group or not they receive a 302 Found message and are then redirected to the login page.
If I change the web.config to allow user="*" then it works. It also works if I add an allow users="Username" for a specific user I am testing with.
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May 7, 2010
I would like to know if it is possible in a custom Membership to get the username of the login and to get first his role before testing his password.
The reason is just that we have to implement also another security with RSA depending on the role of the user.
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Jul 11, 2010
How to implement role based security in each page.
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Aug 5, 2010
I'm doing form authentication with roles to access areas of a website. The authentication is working great, but I'm having trouble with the roles piece. On the page in question (needing to narrow the access), the top lblGrps.text (below) shows I'm in the group I need to be in, while the response.write (also immediately below) reads false for the EdIT group:
[Code]....
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