I have marked the "Employee-Number" AD attribute as "confidential" by setting it's searchflags to 128 in ADSI Edit (https://learn.microsoft.com/en-us/troubleshoot/windows-server/windows-security/mark-attribute-as-confidential.
I've verified that Domain Admins can read it and non-admins cannot. I've also verified that the ADFS service account is a Domain Admin.
However, if I try to release that attribute via a simple ADFS claim, it doesn't work. I've also verified that if I toggle the SearchFlags value back to 0, the claim is released as expected.
After substantial digging, I found that the answer is to make the adfs service account a member of BUILTIN\Administrators.
Related
In WSO2 API Manager, we try to access Subscriber UI and Publisher UI through SSO. The SSO connection works fine, but Admin gave a special user the publisher creator permission. but If that user accesses the Subscriber UI again through SSO, the newly given permission(publisher creator) is lost and reset to the initial setting. What should I do in this case?
As per the description, I believe that you have created multiple Identity Providers to log in to Publisher and Devportal. Also, have enabled the Just-In-Time provisioning at the Identity Providers.
If yes, try adding the following configuration in the APIM's deployment.toml and try out the scenario
[authentication.framework.extensions]
provisioning_handler = "org.wso2.carbon.identity.application.authentication.framework.handler.provisioning.impl.SystemRolesRetainedProvisionHandler"
The default provisioning handler removes any additional roles that have been assigned to the logged-in user performing the sign-in process. The above-given Provisioning Handler is an extended version to not remove the additional (custom) assigned roles from the user using the login process.
I have set up a Blazor application in .NET Core 3.1 and I'm implementing authentication/authorization, but it is clear I just don't have a great understanding of how default authentication works.
I set up an "AuthorizeView" tag as follows, fully expecting it to fail:
<AuthorizeView Context="auth" Roles="Admin">
<Authorized>
Content
</Authorized>
<NotAuthorized>
You do not have access to this page.
</NotAuthorized>
</AuthorizeView>
but instead it works fine. I am able to see the "Content" section, despite the fact I have not set up ANY authorization. I'm assuming this defaults back to something like Windows Authentication (which is what I'm using in my Blazor app) but I'm not specifying to use AD Authorization anywhere.
Can anyone point me to where I would go, or help me understand, how this is working by default and where it is pulling this "Admin" role from?
You can control and limit access to your resources using authorization. You can control access depending on the roles of the user, claims and authorization policy.
Using the AuthorizeView above and setting the Roles attribute to "Admin", you tell Blazor that if the user belongs to the Admin role, he is authorized to access the content within Authorized element.
I guess that you've set your Blazor app to authenticate users accessing your app by selecting Windows Authentication, when creating your app, right ?
When you try to access your app, you are asked to provide your credentials which are passed from IIS (express) to your app...
Roughly speaking a Claims Principle( or Windows Principle) object is created by Blazor and passed to an object named ServerAuthenticationStateProvider as an AuthenticationState object. This object, meaning the AuthenticationState object is also provided to the AuthorizeView whose base class AuthorizeViewCore contains the logic to call the IAuthorizationService, passing it the claims principle. Now the authorization service inspect the Claims Principle object, what claims it has, what roles it has, and of course it looks for a role claim with the value "Admin", if found, true is returned, and at the end of the pipe line it is decided that you are allowed to access the restricted content.
where it is pulling this "Admin" role from
From your Windows AD if you've one or from windows user accounts, etc. Remember, you told the wizard that you want to use Windows authentication (this is my supposition, otherwise everything I've said may be wrong).
You had better go to the docs and acquaint yourself with services like AuthenticationStateProvider, ServiceAuthenticationStateProvider ,etc.
For your information I tried to search for the different links but I didn't find the right answer. The below link looks like the same problem but there is no proper answer for this
Artifactory: SAML SSO group matching not working
I am facing a problem with respect to artifactory group association with SAML. Tried to follow the process mentioned in the below link but it doesn't work. Any kind of help is much appreciated.
https://jfrog.com/knowledge-base/how-do-i-configure-artifactory-saml-sso-with-adfs/
Our goal is to create the same group in artifactory which is present in ADFS. So that we can give permissions to that repective group in artifactory. But the problem is people are able to login using their domain credentials where as if we provide the permissions to the group it doesn't work as expected.
If you need more clarity I am happy to explain more on this issue.
The ADFS side is handled by other team even they are not sure why it is not working. Is there any bug in artifactory? I have configured SAML with jenkins it works super fine.
I will try to elaborate about the process.
After a login request, the user and it's groups are available for Artifactory in the assertion response that is sent back to Artifactory by the SAML Identity Provider. The data should be available in the assertion XML response, as long as the Identity Provider configured to include it. For example, the Identify Provider can exclude the groups information and include user data (i.e. username, mail) only.
In order to ensure that Artifactory can assign the user to the SAML a group, you will need to do the following:
Configure the ADFS to include the user groups attributes on login response. You have mentioned that this is handled by other team, but you can see how this can be done in the link that you have attached in your post.
Create the relevant groups in Artifactory, or import them to Artifactory from another authentication provider (such as Artifactory LDAP integration group screen). It is mandatory that there relevant groups will be existed in Artifactory.
Open the Artifactory Web-UI SAML configuration screen, mark the Auto Associate groups checkbox
Edit the Group Attribute textfield, and put the SAML attribute name of the group declaration. The group attribute name that required is the one that is returned in the SAML assertion response.
In the assertion it should look like this:
<saml:AttributeStatement>
<saml:Attribute Name="memberof">
<saml:AttributeValue>group1</saml:AttributeValue>
<saml:AttributeValue>group2</saml:AttributeValue>
</saml:Attribute>
</saml:AttributeStatement>
In your case, you can either get the group association attribute name from the other team that managed your ADFS as you have mentioned, or just view the assertion in any kind of SAML tracer browser plugin (as long as the ADFS was configured to send the groups attributes)
Once you have the above configured, when a SAML user will log in into Artifactory, the user will automatically be associated to the group that returned by the SAML assertion response (as long as the group exists in Artifactory)
Note: the SAML groups association is not persisted and valid for the current login session only, therefore, if you will edit the user/group screen in the UI, will not that the user/group association, however, if you grant a permission for a specific resource to the group that you expect the user to be assigned to, you can see that the user who logged in is capable of using the granted permission.
I have an Asp.Net application that communicate with ADFS(on some other Windows Server) for authentication purpose. Currently, when we navigate to application, it redirects to ADFS SSO authentication page. I followed this blog to implement SSO and have some questions here:
Can we change implementation so that it may redirect to authentication page only when I press login button ?
Can we change implementation so that only one page/URL of my application can be accessed without any authentication ?
What parameters are returned when user is authenticated and redirected back to landing page. How do we get all available parameters ?
In this blog returning things are are Value, ValueType, Subject Name, Claim Issuer and Claim Issuer type. Can I get email or username ? so that I may link that person to a client in my application.
If anyone of above is possible, how I can get it ?
The login button is part of the ADFS screen. That's by design. The sample uses WIF so you are outsourcing authentication to ADFS.
Yes - Use the "location" annotation in the web.config. refer Location Element.
The parameters that are returned are the claims configured in the claims rules. The article show "Display-Name" and UPN. If you want email, just add another row and select it from the dropdown.
I just don't still get Claim Based Authentication/Authorization workflow.
The application allows authentication via Facebook.com
After the user is authenticated, an admin can give her/him a claim of having the role of Manager, which creates another claim (where?)
Of course, this claim won't be on the facebook.com server, question 1: where should that claim be stored?
When the user log in again later, I get the claim of facebook.com and I should get the claim from the application. and merge them?
How is the workflow? Trying to understand claims in practical usage.
Basically, Facebook tells me that I'm john#doe.com, and 'field in the blanks' adds a claim that I'm also a manager of domain.com
then I pass those claims to domain.com?
How should I configure in asp.net the application at domain.com to trust Facebook and 'filled in the blank piece' and request claims from both?
I guess I'm using external providers for Authentication and my own provider for Authorization, how this is created on ASP.NET (web API / MVC)?
UPDATE (for clarification)
Let's get backwards. I create a web application where users can register.
'Somehow' there's an trusted ClaimsBased authority somewhere (this should be another application??) where I request the claims for a particular user to see if have particular rights on my application.
So I imagine something like :
/authserver/claims
and my validation checks if X claim is met to do certain operations.
later I add to Facebook. now I have
/facebook/claims
which tells me the user is X
and
/authserver/claims to see if can do operation X on resource Y.
how this is managed on ASP.NET? and where my own claims should be created/exposed/developed.
I think I'm missing something fundamental here.
I think the important thing to understand is the difference between authentication and authorization.
Authentication - the act of confirming the truth of an attribute of a datum or entity.
Authorization - the function of specifying access rights to resources, which is related to information security and computer security in general and to access control in particular.
So, typically for secured system, the workflow starts with Authentication. When a user first connects/uses a system, then are not authenticated (lets say this user is of a type/group Anonymous). The act of the system determining the user is not authenticated is an Authentication in and of it self. Based on being Anonymous, then the act of the system determining what that type of user anonymous has access too is now authorizing what the user can do. For very secure system, the only access anonymous has is to the login screen/page. Once logged in the user is assigned a unique identity and assigned some type of group policy/role (if not already created).
with a web-based application and having a website (#1) authenticate for another website(#2) it becomes a bit more complicated. When I log into StackOverflow(#1), I use my Gmail(#2) account. I get redirected to Google with some special way for Google to know that the page I came from/to go back to. This could be a special key/url combination or for less restrictive access, usually has to do with return url (after I say, yes, where I go back too). Google will create a special authentication token that is specific to the url I am returning to. It is tied to the URL because that means that my token on StackOverflow won't allow me or anyone else to log into say NewEgg for example (in other words someone at StackOverflow with access to the database can't use my token to authenticate as me on some other website, but technically they could log in as me on StackOverflow, but they own the website, so that doesn't really matter). Now I am authenticated on StackOverflow (but technically StackOverflow doesn't even need to know any information about me, just my Token).
On StackOverflow as a new user, a new account is created. This account probably has a one to many relationship to my unique account on Stack Overflow and multiple of logins (and type of logins, OAuth, OpenID or SO Login). Once the account is created, I have whatever access they have setup by default. If I need more or some trigger (lets say based on my Reputation points :) I now have access to Administrative functionality (given some role). That role is tied to my account and indirectly tied to my authentication. This means that I can create additional logins (say a Local SO Login) but keep my Account.
As for each Authentication resource (Google, Facebook, etc) there will be difference schemes for Authentication, but there will always be at least a token (or more than one token) for a website to say who I am (in a generic way).
So website #1 (Stack Overflow) has requested website #2 (Google) to Authenticate me. But only website #1 knows what am I Authorized for.
For role specific functionality, there are a good number of answer on SO dealing with ASP.Net Identity and the Role Manager:
Creating Roles in Asp.net Identity MVC 5
mvc 5 check user role
A much more Indepth look into Identity with MVC - Extending Identity Accounts and Implementing Role-Based Authentication in ASP.NET MVC 5
If you're using ASPNET.Identity (http://www.asp.net/identity/overview/getting-started/introduction-to-aspnet-identity), you can add a Role claim type to the user. It'll be associated with the userlogin, so when the user authenticates with Facebook, these user claims will be added and available in MVC.
See the following code fragment:
var acRes = await UserManager.AddClaimAsync(userId, new Claim(ClaimTypes.Role, "MyRole"));