# Managing access controls with access sources and tokens in Route 53 Global Resolver
<a name="gr-managing-access-controls"></a>

Route 53 Global Resolver provides two primary methods for controlling client device access: access sources for IP-based authentication and access tokens for token-based authentication. This chapter covers both approaches, helping you choose the right authentication method for your environment and implement comprehensive access controls.

**Topics**
+ [Access control methods](gr-understanding-access-control-methods.md)
+ [Configuring access sources](gr-configuring-access-sources.md)
+ [Managing access tokens](gr-managing-access-tokens.md)
+ [Best practices](gr-access-control-best-practices.md)