Rules

Cloudflare Rulesets now includes encode_base64() and sha256() functions, enabling you to generate signed request headers directly in rule expressions. These functions support common patterns like constructing a canonical string from request attributes, computing a SHA256 digest, and Base64-encoding the result.…

New functions for array and map operations Cloudflare Rulesets now include new functions that enable advanced expression logic for evaluating arrays and maps. These functions allow you to build rules that match against lists of values in request or response…

The ip.src.metro_code field in the Ruleset Engine is now populated with DMA (Designated Market Area) data. You can use this field to build rules that target traffic based on geographic market areas, enabling more granular location-based policies for your applications.…

Build rules based on TCP transport and latency Cloudflare now provides two new request fields in the Ruleset engine that let you make decisions based on whether a request used TCP and the measured TCP round-trip time between the client…