---
title: cf.bot_management.ja4 · Cloudflare Ruleset Engine docs
description: Provides an SSL/TLS fingerprint to help you identify potential bot requests.
chatbotDeprioritize: false
source_url:
  html: https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.bot_management.ja4/
  md: https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.bot_management.ja4/index.md
---

# cf.bot\_management.ja4

`cf.bot_management.ja4` String

Provides an SSL/TLS fingerprint to help you identify potential bot requests.

For more details, refer to [JA3/JA4 Fingerprint](https://developers.cloudflare.com/bots/additional-configurations/ja3-ja4-fingerprint/).

Requires a Cloudflare Enterprise plan with [Bot Management](https://developers.cloudflare.com/bots/plans/bm-subscription/) enabled.

Categories:

* Request
* Bots
