Operating Systems: i5/OS
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Configure single sign-on capability with Tivoli Access Manager or
WebSEAL
Use the following information to enable single sign-on to WebSphere
Application Server using either WebSEAL or the plug-in for Web servers.
Overview
Either Tivoli Access Manager WebSEAL or Tivoli Access Manager plug-in
for Web servers can be used as reverse proxy servers to provide access management
and single sign-on (SSO) capability to WebSphere Application Server resources.
With such an architecture, either WebSEAL or the plug-in authenticates users
and forwards the collected credentials to WebSphere Application Server in
the form of an IV Header. Two types of single sign-on are available, the TAI
interface and the TAI++ interface, so named as both use WebSphere Application
Server trust association interceptors (TAI). With the TAI, the end-user name
is extracted from the HTTP header and forwarded to embedded Tivoli Access
Manager where the end-user name is used to construct the client credential
information and authorize the user. With the TAI++, all of the user credential
information is available in the HTTP header and not just the user name. The
TAI++ is the more efficient of the two solutions because a Lightweight Directory
Access Protocol (LDAP) call is not required. TAI functionality is retained
for backwards compatibility.
Complete the following tasks to enable single
sign-on to WebSphere Application Server using either WebSEAL or the plug-in
for Web servers. These tasks assume that embedded Tivoli Access Manager is
configured for use.
Procedure
- Create a trusted user account for Tivoli Access Manager in the
shared Lightweight Directory Access Protocol (LDAP) user registry. For
more information, see Creating a trusted user account in Tivoli Access Manager.
- Configure either WebSEAL or the Tivoli Access Manager plug-in for
Web servers to work with WebSphere Application Server. For more
information, see either of the following articles:
- Configure single sign-on using either the TAI or TAI++ interface.
For more information, see either of the following articles:
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Single sign-on settings
com.tivoli.pd.jcfg.PDJrteCfg utility for Tivoli Access Manager single
sign-on
com.tivoli.pd.jcfg.SvrSslCfg utility for Tivoli Access Manager single
sign-on
Creating a trusted user account in Tivoli Access Manager
Configuring WebSEAL for use with WebSphere Application Server
Configuring Tivoli Access Manager plug-in for Web servers for use with
WebSphere Application Server
Configuring single sign-on using the trust association interceptor
Configuring single sign-on using trust association interceptor ++
Configuring global sign-on principal mapping
Related tasks
Implementing single sign-on to minimize Web user authentications
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