Configure the RSA Cloud Authentication Service

1. Sign in to the RSA Cloud Administration Console with administrator credentials.
2. Enable SSO on the My Page portal by accessing the RSA Cloud Administration Console > Access > My Page > Single Sign-On (SSO). Ensure it is enabled and protected by two-factor authentication using a Password and Access Policy.
3. Click Applications > Application Catalog.
4. On the Application Catalog page, search for Zendesk and click Add to add the connection. 
5. On the Basic Information page, enter a name for the configuration in the Name field and click Next Step.
6. In the Connection Profile section, select IdP-initiated.
7. Enter the Service Provider details ACS URL and Service Provider Entity ID.
   Refer to the Notes section for instructions on how to obtain the ACS URL and Entity ID for Zendesk.
8. In the SAML Response Protection section, select IdP signs assertion within response.
9. Click Download Certificate to download the certificate.
10. Select Show Advanced Configuration and configure Identifier Type and Property under the User Identity section as shown in the example in the screenshot below.
11. Click Next Step.
12. Choose your desired Access Policy for this application and click Next Step > Save and Finish.
13. On the My Applications page, click the drop-down menu and select Export Metadata to download the metadata.
14. Click Publish Changes. After publishing, your application is now enabled for SSO.

Notes

Configure Zendesk for Sales

1. Login to Zendesk for Sales with Administrator credentials.
2. Navigate to Settings > Single Sign on and click Configure.
3. Click Create SSO configuration, then select SAML.
4. Provide the following details:
   Configuration name: Name for your identity provider configuration.
   SAML SSO URL: The value of SingleSignOnService, which can be found in the metadata file downloaded from RSA.
   Certificate fingerprint: Refer to the Notes section for instructions on how to obtain the certificate fingerprint.
5. Scroll down and select Show button when users sign in, then provide a name for the button, and click Save.
6. Under the Team member authentication section, do the following:
   Select External authentication.
   Select Single sign on (SSO).
   
   Repeat the same steps for the End user authentication section.
7. The Configuration name you chose in Step 4 will appear. Select the configuration name and select Let them choose, then click Save.

Notes

1. Install the latest version of OpenSSL for Windows.
2. Open the Windows Command Line.
3. Navigate to the OpenSSL installation directory (the default directory is C:\OpenSSL-Win32\bin).
4. Run the following commands to view the certificate fingerprint/thumbprint.