Symptom
FAQ
Other Terms
FAQ, security, Single Sign-On, SSO
Reason and Prerequisites
Solution
[1] Question: What is Single Sign-On (SSO)?
[2] Question: How do I implement Single Sign-On?
[3] Question: Why does Single Sign-On no longer work after one year?
[4] Question: Do all system have to have the same password?
[5] Question: Where can I find further documentation on SSO?
[1] Question: What is Single Sign-On (SSO)?
Answer:
The term Single Sign-ON (SSO) describes a solution that enables the system to determine the identity of a user without the user having to explicitly specify a user name and password in each application. It is a one-time logon to the system. However, there may be different technical conversions. Several different SSO solutions also exist for SAP.
[2] Question: How do I implement Single Sign-On?
Answer:
Different technical options are available to implement SSO.
Some of the solutions that are available in SAP systems include:
-Logon tickets (Workplace)
-Client certificate
-NTLM SSP
-PAS
For more information, see note 138498.
[3] Question: Why does Single Sign-On no longer work after one year?
Answer:
You are using a certificate that was issued by SAP_CA. For more information, see note 389186. These types of certificates are issued with a validity period of one (1) year only. Logon tickets are still issued after the validity period expires; however, an error is triggered when the logon tickets received are checked. In principle, the problem is not restricted to CA certificates; however, "self-signed" certificates are generated with a considerably longer validity period (up to the year 2038).
[4] Question: Do all systems have to have the same password?
Answer:
The current SSO methods enable you to assign different passwords for different systems.
[5] Question: Where can I find further documentation on SSO?
Answer:
Further documentation is available in the SAP Marketplace:
http://service.sap.com/security
This document refers to:
SAP Notes
| 1257108 | Collective Note: Analyzing issues with Single Sign On (SSO) | |
| 114045 | Consulting: Technical system security |
This document is referenced by:SAP Notes (1)
| 1257108 | Collective Note: Analyzing issues with Single Sign On (SSO) |
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