---
title:  Authorization
---

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Cluster and cache operations can be restricted, intercepted and
modifed, or completely blocked based on configured access rights set for
the various cluster components. 

-   **[Implementing Authorization](implementing_authorization.html)**

    To use authorization for client/server systems, your client connections must be authenticated by their servers.

-   **[Method Invocation Authorizers](method_invocation_authorizers.html)**

    Authorizers used during query execution, how to configure them and how to implement your own.

-   **[Authorization Examples](authorization_example.html)**

    This topic discusses the authorization examples provided in the product under `geode-core/src/main/java/org/apache/geode/examples/security`.
