---
title: 2023-04-21 - Emergency · Cloudflare DDoS Protection docs
lastUpdated: 2025-02-18T19:39:49.000Z
chatbotDeprioritize: false
source_url:
  html: https://developers.cloudflare.com/ddos-protection/change-log/http/2023-04-21-emergency/
  md: https://developers.cloudflare.com/ddos-protection/change-log/http/2023-04-21-emergency/index.md
---

| Rule ID | Description | Previous Action | New Action | Notes |
| - | - | - | - | - |
| ...d2f294d7 | HTTP requests trying to impersonate browsers. | ddos\_dynamic | ddos\_dynamic | Remove some rare false positives. |
| ...d3fb9259 | HTTP requests from known botnet (signature #51). | N/A | block | |
