---
title: 2023-11-13 - Emergency
description: HTTP DDoS managed ruleset rule changes for this release.
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
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# 2023-11-13 - Emergency

| Rule ID     | Description                                      | Previous Action | New Action    | Notes                                      |
| ----------- | ------------------------------------------------ | --------------- | ------------- | ------------------------------------------ |
| ...22807318 | HTTP requests from known botnets.                | ddos\_dynamic   | ddos\_dynamic | Improve this filter to catch more attacks. |
| ...6fe7a312 | HTTP requests from known botnet (signature #70). | block           | block         |                                            |
| ...7c7a2f25 | HTTP requests from known botnet (signature #74). | N/A             | block         |                                            |
| ...d2f294d7 | HTTP requests trying to impersonate browsers.    | ddos\_dynamic   | ddos\_dynamic |                                            |

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```