--- title: "Configuring an IP-based Access Control List" slug: "configuring-an-ip-based-access-control-list-5-1" tags: ["Portal", "8.3"] updated: 2026-08-10T12:01:11Z published: 2026-08-10T12:01:11Z canonical: "kb.ctera.com/configuring-an-ip-based-access-control-list-5-1" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.ctera.com/llms.txt > Use this file to discover all available pages before exploring further. # Configuring an IP-based Access Control List You can configure an IP-based access control list, specifying the IP address ranges from which administrators can access the CTERA Portal interface. **To configure an IP-based access control list:** 1. In the global administration view, select **Settings > Control Panel** in the navigation pane. The **Control Panel** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-ATIJICKN.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) 2. Select **Global Administrators Access Control**, under **User Settings**. The **IP-Based Access Control** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-KZUIGAJA.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) 3. Slide **IP-based access control** on. The **IP Range** tab is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-FTF0K7OO.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) 4. Select the **IP Range** tab. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-G4K58ATM.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) 5. Click **New** to add an IP address range from which access to the CTERA Portal interface is allowed. A new row is added to the IP-based access control list. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-5IHQ1GJD.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) 6. Click in the **IP Range Start** field, and enter the start IP address. 7. Click in the **IP Range End** field, and enter the end IP address. 8. Click ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-3F5KUM81.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D) to confirm the range. **Notes** To edit an IP address range, in the IP address range's row, click ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-QLHW14H9.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D). To remove an IP address range, in the IP address range's row, click ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-G3TDWJ56.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A28%3A15Z&se=2026-11-11T05%3A28%3A15Z&sr=c&sp=r&sig=Y0XOYXECnYdPFbClp2L1xMBRp%2BoPtikEwNhW9Xpktug%3D). The IP address range is removed. 9. If you made any changes, either click **Save** or click **Revert** to revert to the last saved configuration.