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description=Create rules that examine incoming HTTP traffic against a set of powerful filters to block, challenge, log, or allow matching requests.;

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rules lists cloudflare firewall rules docs 22 captures 25 nov 2020 04 feb 2026 feb mar apr 01 2020 2021 2022 success fail about this capture timestamps the wayback machine http web archive org web 20210301012811 https developers cloudflare com firewall cf firewall rules rules lists this app works best with javascript enabled skip to content cloudflare docs logomark cloudflare docs cloudflare firewall logo firewall navigation menu icon open external link cloudflare docs logomark cloudflare docs cloudflare firewall logo firewall dropdown icon firewall menu cloudflare homepage welcome collapse about about fields and expressions actions order and priority rules lists api shield expand manage rules in the dashboard manage rules in the dashboard create edit and delete rules edit rule expressions preview rules expand use rules lists use rules lists manage lists manage list items ip addresses use lists in expressions create an api shield rule expand manage rules via the apis manage rules via the apis expand firewall rules api firewall rules api json object endpoints post example get examples put examples delete examples expand cloudflare filters api cloudflare filters api what is a filter json object endpoints post example get examples put examples delete examples expression validation expand rules lists api rules lists api json object endpoints call sequence expand common use cases common use cases block microsoft exchange autodiscover requests block requests based on ip reputation challenge bad bots exempt partners from hotlink protection require a specific cookie require a valid hmac token require a valid client certificate require specific http headers require specific http ports site administration require known ip addresses stop r u dead yet r u d y attacks update firewall rules for customers or partners expand firewall rules language firewall rules language fields operators grouping symbols values functions expand rulesets beta rulesets beta view rulesets view root rulesets configure root rulesets deploy rulesets expand work with custom rulesets work with custom rulesets create a custom ruleset add rules to a custom ruleset deploy a custom ruleset from your root ruleset expand work with managed rulesets work with managed rulesets deploy a managed ruleset override a managed ruleset expand workflow examples workflow examples set wordpress rules to block enable only joomla rules enable only selected rules deploy a managed ruleset with ruleset category and rule overrides deploy managed and custom rulesets expand rulesets api rulesets api json object endpoints get examples post example put example known issues and faq search icon depiction of a magnifying glass github icon visit firewall on github light theme icon depiction of a sun dark theme icon depiction of a moon set theme to dark d top advantages of lists entitlements managing lists using lists in expressions about rules lists use rules lists to create a group of ip addresses and refer to them collectively by name in your firewall rule expressions for example you might create a list of known office ip addresses and use it in a firewall rule that allows requests from the addresses on the list to bypass security features or you may want to block requests that don t come from the known office addresses when you update the content of a list any rules that use the list are automatically updated so you can make a single change to your firewall rules list rather than modify rules individually cloudflare stores your lists at the account level and sends to the edge so you can view manage and incorporate them into firewall rules for any of your zones advantages of lists using rules lists has these advantages when creating a firewall rule using a rules list is easier and less error prone than adding a long list of ip addresses to a firewall rules expression when updating a set of firewall rules that target the same group of ip addresses using a rules list is easier and less error prone than editing multiple firewall rules rules lists are easier to read and more informative particularly when you use descriptive names for your lists entitlements the number of rules lists you can create depends on the cloudflare plans associated with the zones in your account regardless of plan you can store up to a total of 10 000 items spread across all of your lists cloudflare plan free pro business enterprise number of rules lists 1 10 10 10 managing lists to manage and edit lists from your cloudflare account interface see use rules lists to manage and edit lists using the cloudflare api see rules lists api using lists in expressions both the cloudflare dashboard and the cloudflare api support rules lists to use rules lists in an expression from the cloudflare dashboard see use lists in expressions to refer to a rules list in a cloudflare filters api expression see values rules lists in the firewall rules language reference edit on github external link icon open external link updated 15 hours ago