Configure RSA Cloud Authentication Service

1. Sign in to RSA Cloud Administration Console. 
2. Click Authentication Clients > Relying Parties.                                                                                                                                          
3. On the Relying Party Catalog page, click Add a Relying Party and click Add for Service Provider SAML.                                              
4. On the Basic Information page, enter the name for the application in the Name field and click Next Step.                                                    
5. On the Authentication page, choose SecurID manages all authentication.
6. Select a Primary Authentication Method and Access Policy as required and click Next Step.                                                                   
7. Provide the Service Provider details in the following format: 
   1. ACS URL: https://helpscout.auth0.com/login/callback?connection=<Company Name>171220-sso-saml.
   2. Service Provider Entity ID: urn:auth0:helpscout:<Company Name>171220-sso-saml.
      Refer to the Configure Help Scout section to obtain ACS URL and Entity ID.                                                                                   
8. In the SAML Response Protection section, choose IdP signs assertion within response.
9. Download the certificate by clicking Download Certificate.                                                                                                                     
10. Click Show Advanced Configuration.
11. Under the User Identity section, configure Identifier Type and Property. For example, Identifier Type: Auto Detect and Property: Auto Detect.                                                                                                                                                      
12. Under the Attribute Extension section, add the attribute as shown in the following figure.                                                                   
13. Click Save and Finish.
14. On the My Relying Parties page, click the Edit drop-down icon and select the Metadata option to download the metadata.              
15. Click Publish Changes. Your application is now enabled for SSO.                                                                                                          

Configure Help Scout

1. Log on to Help Scout with administrator credentials - https://secure.helpscout.net/members/login/
2. Navigate to Manage > Company.                                                                                                                                                           
3. Under the Company section, select Authentication.                                                                                                                           
4. Click the Enable SAML toggle button and provide the following details:
   1. Single Sign-On URL - The SingleSignOnService value that can be obtained from the metadata file downloaded from RSA.
   2. X.509 Certificate - Upload the certificate downloaded from RSA.                                                                                            
5. Click Test Connection and click Save.                                                                                                                                                
6. Scroll down to copy ACS URL and Entity ID. These two values are used in the RSA configuration.