SPNEGO TAI configuration requirements (deprecated)
The configuration that is used by the Simple and Protected GSS-API Negotiation Mechanism (SPNEGO) trust association interceptor (TAI) on each selected application server is governed by various system requirements.

In WebSphere® Application Server Version 6.1, a trust association interceptor (TAI) that uses the Simple and Protected GSS-API Negotiation Mechanism (SPNEGO) to securely negotiate and authenticate HTTP requests for secured resources was introduced. In WebSphere Application Server 7.0, the SPNEGO TAI was deprecated. SPNEGO web authentication has taken its place to provide dynamic reload of the SPNEGO filters and to enable fallback to the application login method.
depfeatThe
following list of configuration requirements highlights those attributes,
properties, qualities, restrictions, exclusions, inclusions, and dependencies
that you need to be aware of when planning a WebSphere Application
Server configuration that incorporates the use of the SPNEGO TAI.
Function item | Description |
---|---|
SPNEGO TAI | The SPNEGO TAI is a server side solution in WebSphere Application Server. Client-side applications are responsible for generating the SPNEGO token for use by the SPNEGO TAI. |
Microsoft Windows | Microsoft Windows Servers with Active Directory domain and its associated Kerberos key distribution center (KDC) is required. For information on the supported Microsoft Windows Servers, see the System Requirements for WebSphere Application Server Versão 9.0 on Windows. |
Client application (browser or .NET client) | A browser (client application) or .NET client that supports the SPNEGO authentication mechanism, as defined in IETF RFC 2478 is required. |
Simple and Protected GSS-API Negotiation Mechanism (SPNEGO) | SPNEGO authentication, as defined in IETF RFC 2478 is used. |
Internet browsers |
|
Kerberos Level | Kerberos version 5 is required. |
WebSphere Application Server | Version 7.0 is required. |
Java™ SDK level | Java 6.0 SDK is required. |
Encryption Types | RC4-HMAC encryption is only supported when using a Windows 2003 Server as Kerberos key distribution center (KDC). |
J2EE client | Client application (browser or .NET client) A browser (client application) or .NET client that supports the SPNEGO authentication mechanism, as defined in IETF RFC 2478 is required. |