ARRIS Consumer Care

SBG7400AC2: IP Filtering Setup

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Question

How do I block local devices from accessing the Internet on my SBG7400AC2 gateway?

Answer

The SBG7400AC2 includes an advanced IP Filtering option to define which local devices will be denied access to the Wide Area Network (WAN). IP address filters will need to be configured to block Internet traffic to specific network devices on the Local Area Network (LAN) by entering the starting and ending IP addresses range. IP Filtering is not enabled by default. This document describes how to configure IP Filtering.

Configure IP Filtering

Launch a web browser, such as Internet Explorer, Firefox, or Safari. Enter http://192.168.0.1 into the address box, and press the Enter key. The Login page will appear.

NOTE: A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager. There is no risk in proceeding to the Web Manager. For instructions to by-pass the alert screen, refer to article # 18181 - Alert Message for Web Manager Access.
On the Login page, enter admin in the User Name field.
Enter password or a customized password in the Password field.

NOTE: When using the default password to login, it may be required to set a unique password to proceed to the Web Manager. For assistance with Web Manager Access, refer to article # 18345 – SBG7400AC2: Web Manager Access.
Click the Apply button. The System Basic Setup page will appear.
On the System Basic Setup page, the Firewall link on the top menu. The Firewall Settings page will appear.
On the Firewall Settings page, click the Client IP Filters link on the left-hand menu. The Client IPv4 Filters Configuration page will appear.
On the Client IPv4 Filters Configuration page, click the Add button. The Add Client IP Filter pop-up window will appear.
On the Add Client IP Filter pop-up window, enter the start IP Address range to the end range of IP address which would be denied of access to the SBG7400AC2 WAN in the Client IP Address field.
Leave at default port 80 or enter the port in which the service uses into both the Port field.
Click the Type drop-down menu and select the appropriate protocol (TCP, UDP, or Both).
Leave the All Week option checked or select the desired day for the Day option.
Leave the All Day option check or enter the desired time for the Time option.
Click the Add Client IP Filter button. The Client IPv4 Filters Configuration will appear.
On the Client IPv4 Filters Configuration page, the IP Filter entry will appear as shown.