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Cloudflare Firewall Rules

Firewall Rules allow users to create rules that inspect incoming traffic and block, challenge, log, or allow specific requests.

Main features

  • Rule-based protection: Use pre-defined rulesets provided by Cloudflare, or define your own Firewall Rules, including rules that perform rate limiting. Create rules in the Cloudflare dashboard or via API.
  • Complex custom rules: Each rule’s expression can reference multiple fields from all the available HTTP request parameters and fields, allowing you to create complex rules.
  • Rules Lists: Create a group of IP addresses and refer to them collectively, by name, in your Firewall Rule expressions.

Availability

Firewall Rules are available to customers on all Cloudflare plans.


Manage rules Learn more