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Product Overview

The architecture of Siteminder on z/OS comprises several key components that work together to provide web access security. The Web Agent, residing on the web server (IBM HTTP Server or WebSphere Application Server), intercepts HTTP requests. It communicates with the Policy Server over TCP/IP to authenticate users and authorize access based on defined policies.

The Policy Server is the central component, managing authentication, authorization, and policy enforcement. , LDAP, Active Directory) for user authentication. The Administrative UI provides a graphical interface for configuring policies, managing users, and monitoring security events.

The Policy Store, typically a relational database, stores policy and configuration data. conf) defines the agent's behavior, including the Policy Server address and protected resources. Communication between the Web Agent and the Policy Server uses a proprietary protocol over TCP/IP.

The Policy Server uses encryption to protect sensitive data. 509 certificates. The RBAC model allows for granular control over access.

The audit logs record all security-related events for monitoring and compliance. Compared to competitors, Siteminder offers robust features and strong integration capabilities within the z/OS ecosystem. The architecture is designed for high availability and scalability.

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