ASP.NET SAML Single Sign-On (SSO) Using Google Apps As IDP
ASP.NET SAML Single Sign-On (SSO)
module gives the ability to enable SAML Single Sign-On for your ASP.NET
applications. Using Single Sign-On you can use only one password to access
your ASP.NET application and services. Our module is compatible with all the
identity providers. Here we will go through a step-by-step guide to configure Single Sign-On
(SSO) between ASP.NET and Google Apps considering Google Apps as IdP. To know
more about the other features we provide, click
Platform Support: The ASP.NET SAML SSO module supports ASP.NET 3.5
and above frameworks.
To set up the module, extract the file
asp.net-saml-sso-module-xxx.zip. You will find a DLL named
miniorange-saml-sso.dll, a configuration file named
saml.config and an integration.md file which contains
steps for adding the module into your application.
Add miniorange-saml-sso.dll into your bin folder (where other DLL
files for your application exist).
Register minorangesamlsso module in your application according to
the steps provided in the file named integration.md.
Add the provided configuration file saml.config in the root
directory of your application.
After integration, open your browser and browse the connector dashboard with
the URL below: https://<your-application-base-url>/?ssoaction=config
If the registration page or login page pops up, you have successfully added
the miniOrange SAML SSO connector to your application.
Register or log in with your account by clicking the Register button
to configure the module.
Steps to configure ASP.NET Single Sign-On (SSO) using Google Apps as IDP
1. Configure Google Apps as identity provider
You need to send your SP metadata to your identity provider. For SP
metadata, use the SP metadata URL or download the SP metadata as a .xml file
and upload it at your IdP end. You can find both these options under the
Service Provider Settings tab.
Alternatively, you can manually add the SP Entity ID and ACS URL from
Service Provider Settings tab in the plugin to your IdP
Navigate to the Apps tab in the left menu and click on
Web and mobile apps.
Click on the Add App button, then in the dropdown select
Add Custom SAML app tab to create a new saml app.
Enter details for your custom SAML app and click on Continue button.
Click on Download Metadata button. Keep the metadata url handy it
will require later to configure.
You can also copy G Suite details like
SSO URL, entity ID and Certificate
to configure the Service Provider manually and then click on
Enter details from the Service Provider Metadata tab from
the ASP.NET SAML module.
Copy and paste the ACS URL from the ASP.NET SAML module.
Copy and paste the SP Entity ID/ Issuer from the ASP.NET SAML
Check Signed Response ✓
Name ID Format
Click on Continue button.
Click on Add Mapping button.
Add and select user fields in Google Directory, then map them to Service
Provider attributes and Click on Finish button.
Go to SAML Apps again and click on OFF for everyone.
Then, select ON for everyone to activate SSO.
You have successfully configured G Suite / Google Apps as SAML IdP (Identity
Provider) for achieving G Suite / Google Apps SSO login into your ASP.NET
2. Configure ASP.NET application as service provider (SSO Module)
Note: After installation of the plugin, we need to setup the trust
between your ASP.NET application and Google. SAML metadata is shared with
Google so they can update their inbuilt configuration to support Single
2.1: Share SAML Metadata with Google
Click on Add New IDP to configure ASP.NET Single Sign-On (SSO) with
Under Service Provider Settings tab, you can either copy-paste the
metadata URL on your IDP side or download the SP metadata as
an XML file. Additionally, you have the choice to manually copy and paste
Base URL, SP Entity ID, and ACS URL.
Share SAML metadata with your identity provider.
2.2: Import Google SAML metadata
Select Google from the list of identity providers shown below.
There are two ways detailed below with which you can configure your SAML
identity provider metadata in the module.
A] Upload metadata using the Upload IDP Metadata button:
If your identity provider has provided you with the metadata URL or metadata
file (.xml format only), then you can simply configure the identity provider
metadata in the module using the
Upload IDP Metadata option.
You may refer to the screenshot below:
You can choose any one of the options according to the metadata format you
B] Configure the identity provider metadata manually:
After configuring your identity provider, it will provide you with
IDP Entity ID, IDP Single Sign On URL
and SAML X509 Certificate fields respectively.
Click Save to save your IDP details.
You have successfully configured your ASP.NET application as a service
3. Testing SAML SSO
Before testing, please ensure the following:
The ASP.NET (SP) SAML metadata has been exported to Google (IDP).
Importing the Google (IDP) SAML metadata in ASP.NET (SP).
To test whether the SAML configuration you’ve done is correct, hover on
Select Actions and click on Test Configuration.
Note: In the trial version of the plugin, you can only configure and
test one identity provider (IDP).
The screenshot below shows a successful result. Click on
Done to further continue with the SSO Integration.
If you are experiencing any error on the module end you’ll be shown with the
window similar to below.
To troubleshoot the error you can follow the below steps:
tab, enable the toggle to receive the plugin logs.
Once enabled, you will be able to retrieve plugin logs by navigating to
Identity Provider Settings tab and clicking on
Download the log file from the Troubleshoot tab to see what
Hover on Select Actions and click on Copy SSO Link.
Use the copied link in the application from where you want to perform SSO:
For example, you can use it as: <a href=”https://base-url/?ssoaction=login”>Log in</a>
6. Logout Settings
Use the following URL as a link in your application from where you want to
For example you can use it as:
You can even configure the
DNN SAML Single Sign-On (SSO)
module with any identity provider such as
ADFS, Azure AD, Bitium, centrify, G Suite, JBoss Keycloak, Okta, OneLogin,
Salesforce, AWS Cognito, OpenAM, Oracle, PingFederate, PingOne, RSA
SecureID, Shibboleth-2, Shibboleth-3, SimpleSAML, WSO2
or even with your own custom identity provider. To check other identity
Not able to find your identity provider? Mail us on
and we'll help you set up SSO with your IDP and for quick guidance (via
email/meeting) on your requirement and our team will help you to select the
best suitable solution/plan as per your requirement.
Need Help? We are right here!
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