---
title: Troubleshooting
description: Troubleshoot common firewall rule issues.
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/firewall/llms.txt  
> Use this file to discover all available pages before exploring further.

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# Troubleshooting

The following topics are useful for troubleshooting firewall issues.

* [ Required firewall rule changes to enable URL normalization ](https://developers.cloudflare.com/firewall/troubleshooting/required-changes-to-enable-url-normalization/)

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```