# Other Services

The Broker can also have Access Control Providers, Group Providers, Keystores, Trustores and [Management] Plugins configured.

## Access Control Providers

Access Control Providers are used to authorize various operations relating to Broker objects.

Access Control Provider configuration and management details are covered in .

## Group Providers

Group Providers are used to aggregate authenticated user principals into groups which can be then be used in Access Control rules applicable to the whole group.

Group Provider configuration and management is covered in .

## Keystores

Keystores are used to configure details of keystores holding SSL keys and certificates for the SSL transports on Ports.

Keystore configuration and management is covered in .

## Truststores

Truststores are used to configure details of keystores holding SSL certificates for trusting Client Certificate on SSL ports.

Truststore configuration and management is covered in .