# Amazon Firewall Manager Documentation

Amazon Firewall Manager simplifies your Amazon WAF administration and maintenance tasks across multiple accounts and resources. With Amazon Firewall Manager, you set up your firewall rules just once. The service automatically applies your rules across your accounts and resources, even as you add new resources.

- [Developer Guide](/en_us/waf/latest/developerguide/fms-chapter.html): Describes how to get started with Amazon Firewall Manager. Explains key concepts, and provides step-by-step instructions that show you how to use the features.
- [API Reference](/en_us/fms/2018-01-01/APIReference/): Describes all the API operations for Amazon Firewall Manager in detail.

## Related Services

**Amazon WAF** is a web application firewall that lets you monitor web requests that are forwarded to Amazon CloudFront distributions or an Application Load Balancer. You can also use Amazon WAF to block or allow requests based on conditions that you specify, such as the IP addresses that requests originate from or values in the requests. For more information, see the [Amazon WAF documentation](/en_us/waf/).

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