> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.crisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to block the chatbox for specific IPs

*This article explains how to block the Crisp chatbox for specific IP addresses.*

IP restrictions help prevent selected visitors or networks from accessing the chatbox. Crisp supports IPv4, IPv6, and CIDR notation for broader network rules.

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# ${color}[#0080dd](Block specific IP addresses)

You can add blocked IP rules from the chatbox restrictions settings.

__To block an IP address:__
1. Go to [**Crisp**](https://app.crisp.chat)
2. Open **Settings → Chatbox Settings → Chatbox Restrictions**
3. Click **Add a blocked IP**
4. Enter the IP address or CIDR range you want to block
5. Let Crisp auto-save the change

![Block a specific IP address from the chatbox](https://storage.crisp.chat/users/helpdesk/website/-/8/7/a/e/87ae2703583ac800/cleanshot-2026-01-29-at-134727_oys62c.png =1000xauto)

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# ${color}[#0080dd](Accepted formats)

Crisp accepts single IP addresses as well as CIDR ranges.

__Examples of supported rules:__
* **IPv4 address** → **44.192.61.10** blocks that specific IPv4 address
* **IPv6 address** → **2607:f0d0:1002:51::4** blocks that specific IPv6 address
* **CIDR range** → **44.192.61.10/24** blocks the matching IPv4 network range

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# ${color}[#0080dd](Clear blocked rules)

You can remove existing blocked IP and email rules from the same restrictions area by using **Clear all Blocked Rules**.

||| Clearing blocked rules removes the existing blocked visitor rules from that menu. Review the list before using it on a production workspace.