Once there are more than 200 total rules (including inactive rules), you must manage evaluation using priority ordering, in which Cloudflare evaluates firewall rules in order of their priority number, starting with the lowest. When list ordering is enabled, the rules list allows you to drag and drop firewall rules into position, as shown below.
Order rulesīy default, Cloudflare evaluates firewall rules in list order, where rules are evaluated in the order they appear in the rules list. In the confirmation dialog, select Delete to complete the operation.Next to the rule you want to delete, select Delete ( X icon).Use the toggle switch associated with a firewall rule to enable or disable it. Select Edit (wrench icon) located on the right of your rule in the rules list to open the Edit firewall rule panel and make the changes you want.
Use the available options in the rules list to manage firewall rules. If you are not ready to deploy your rule, select Save as draft.Īfter you choose an option, you return to the rules list, which displays your new rule. To save and deploy your rule, select Deploy. Select an action for your rule in the Action drop-down list. To add a new sub-expression to the rule expression, select And or Or next to Value. If the value is an enumeration, then the Value control will be a drop-down list. For an expression to match, the value of the request Field and the value specified in the Value input must satisfy the comparison operator. Use the Operator drop-down list to choose a comparison operator. For each request, the value of the property you choose for Field is compared to the value you specify for Value.Īlternatively, use the Expression Editor to define the rule expression.
Under When incoming requests match, use the Field drop-down list to choose an HTTP property (refer to Fields reference for details). In the Create firewall rule page that displays, use the Rule name input to supply a descriptive name. Navigate to Security > WAF > Firewall rules. Log in to the Cloudflare dashboard External link icon Open external link, and select your account and website. This limit applies whether you use the visual Expression Builder or edit your expression manually in the Expression Editor. ImportantFirewall rule expressions have a 4 KB limit (approximately 4,000 text characters).
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