Integration of Web Access Management Tools 
The Enterprise Portal allows you to delegate user authentication to external Web access management tools.
Netegrity SiteMinder is supported out-of-the-box. Other products can be integrated on a project-specific basis.The procedure described to integrate Netegrity SiteMinder can be used for most other Web access management tools as well. However, SAP only supports the integration of other products on a project-specific basis.