---
title: 2023-10-09 - Emergency
description: HTTP DDoS managed ruleset rule changes for this release.
image: https://developers.cloudflare.com/core-services-preview.png
---

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# 2023-10-09 - Emergency

| Rule ID     | Description                                                          | Previous Action | New Action | Notes |
| ----------- | -------------------------------------------------------------------- | --------------- | ---------- | ----- |
| ...02bbdce1 | HTTP requests with unusual HTTP headers or URI path (signature #47). | N/A             | block      |       |
| ...493cb8a8 | HTTP requests with unusual HTTP headers or URI path (signature #52). | N/A             | block      |       |
| ...5c344623 | HTTP requests from uncommon clients                                  | N/A             | block      |       |
| ...6363bb1b | HTTP requests with unusual HTTP headers or URI path (signature #48). | N/A             | block      |       |
| ...c1fbd175 | HTTP requests trying to impersonate browsers (pattern #4).           | N/A             | block      |       |

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/ddos-protection/","name":"DDoS Protection"}},{"@type":"ListItem","position":3,"item":{"@id":"/ddos-protection/change-log/","name":"Changelog"}},{"@type":"ListItem","position":4,"item":{"@id":"/ddos-protection/change-log/http/","name":"HTTP DDoS managed ruleset"}},{"@type":"ListItem","position":5,"item":{"@id":"/ddos-protection/change-log/http/2023-10-09-emergency/","name":"2023-10-09 - Emergency"}}]}
```