Security
PAS Pluggable Authentication Service for External Authentication Mechanisms
Using pluggable authentication services (PAS) allows you to authenticate your SAP users using external mechanisms instead of those provided by SAP. Based on the external authentication, the PAS issues the user a logon ticket, which is then used for further authentication when accessing the SAP services. In this way, you can integrate your SAP services into an existing Single Sign-On (SSO) environment that uses non-SAP authentication.