---
title: 2023-02-20
description: HTTP DDoS managed ruleset rule changes for this release.
image: https://developers.cloudflare.com/core-services-preview.png
---

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# 2023-02-20

| Rule ID     | Description                               | Previous Action | New Action | Notes                                 |
| ----------- | ----------------------------------------- | --------------- | ---------- | ------------------------------------- |
| ...863134d5 | HTTP requests from known bad user agents. | block           | block      | Detect more load testing tools as bad |

```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/2023-02-20/","name":"2023-02-20"}}]}
```