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SAP Web
AS Java 
See
the
SAP Web AS Java UME documentation for
details about installation and administration. This document is also available
on the SAP Help Portal at http://help.sap.com.
There are several mechanisms for user authentication available on the SAP NetWeaver platform. If you have several systems in your system landscape, the Single Sign-On (SSO) environment is a useful feature, to reduce the number of logon procedures a user usually has to perform.
The SAP Web AS Java is the underlying technology for authenticating users with SAP NetWeaver. The following table gives an overview of the available user authentication services and if the service is used directly for user authentication or for SSO.
|
Mechanism |
User Authenti-cation |
Single Sign-On |
ABAP |
Java |
|
User ID and password |
x |
x |
x |
x |
|
Secure Network Communications (SNC) |
x |
x |
x |
|
|
SAP logon tickets |
|
x |
x |
x |
|
SSL and X.509 client certificates |
x |
x |
x |
x |
|
Pluggable Authentication Services (PAS) |
x |
|
x |
|
|
Security Assertion Markup Language (SAML) |
|
x |
|
x |
|
Java Authentication and Authorization Service (JAAS) |
x |
x |
|
x |
For
more details on SSO refer to the
Single Sign-On in a
Complex System Landscape or refer to the SAP Help
Portal at http://help.sap.com.