# Set up authorization rules for Amazon IoT SiteWise Edge in EMQX
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EMQX supports adding authorization rules based on identifiers such as username, IP address or client ID. This is useful if you want to limit the number of external applications connecting to various operations or topics.

**Topics**
+ [Configure authorization using the built-in database with Linux](add-auth-rules-database-emqx-broker-linux.md)
+ [Configure authorization using the built-in database with Windows](add-auth-rules-database-emqx-broker-windows.md)
+ [Update the EMQX deployment configuration for authorization](update-emqx-broker-authorization.md)
+ [Add authorization rules through the EMQX Dashboard for users](add-rules-emqx-broker.md)