---
title: 2023-10-19
description: HTTP DDoS managed ruleset rule changes for this release.
image: https://developers.cloudflare.com/core-services-preview.png
---

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# 2023-10-19

| Rule ID     | Description                                                          | Previous Action | New Action    | Notes                                                               |
| ----------- | -------------------------------------------------------------------- | --------------- | ------------- | ------------------------------------------------------------------- |
| ...61bc58d5 | HTTP requests with unusual HTTP headers or URI path (signature #55). | ddos\_dynamic   | ddos\_dynamic | Requests will be challenged by default, larger attacks are blocked. |

```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/2023-10-19/","name":"2023-10-19"}}]}
```