> For the complete documentation index, see [llms.txt](https://docs.infotopics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.infotopics.com/writebackextreme/configuration/configuration-panel/ip-whitelisting.md).
# IP whitelisting
This page enables the option to restrict access to the management console via a filter on IP address.
### How to Configure
1. **Single IP address**\
Enter a specific client IP address:
```
203.0.113.45
```
2. **Network ranges**\
Use CIDR notation to allow a full range of client IPs.
For example, to allow all machines in the internal network `192.168.11.x`:
192.168.11.0/24
**Multiple entries**\
Separate multiple IPs or ranges with a semicolon `;`:
```
52.206.11.0/24;192.168.11.0/24
```
### Important
* Always whitelist the **network IPs of client machines** that will connect to the Management Console.
* Do **not** only enter the server’s own IP; that will restrict access to the server itself.
* For external/cloud environments, use the **public IP or range** of the client network.
💡 You can use an [IP Subnet Calculator](https://mxtoolbox.com/subnetcalculator.aspx) to find the correct CIDR notation.
---
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