How to Configure Firewall Settings in Chromebook?

Chrome OS provides a built-in firewall that can be used to protect your computer from external threats. The built-in firewall also enables your computer to work as a primary line of defense for the entire network when placed in the perimeter network.

Note: In order to use your Chromebook’s built-in firewall this way, you must have in-depth knowledge about the network security, protocols, port numbers, DMZs and their purposes, etc.

Assuming that you are a home user and do not have any interest in going into the firewall configurations to protect your entire network (especially when it comes to relying on a completely new operating system such as Chrome OS), here is how you can configure the basic settings of the firewall that your Chromebook has:

    ■Log on to your Chromebook.
    ■From the desktop screen, click Menu (Gear icon) from the bottom-left corner.

    ■From the displayed options, hover mouse over the Administration menu.
    ■Locate and click Firewall from the submenu.

    ■If prompted, in the opened PASSWORD NEEDED box, provide the root password in the Password field.

    ■When the Firewall Configuration-Startup window comes up, if not already selected, click to select the Enable Firewall Automatic starting radio button.
    ■In order to make more granular firewall configurations, click other sections such as Interfaces, Allowed Services, etc. from the left pane, and make required adjustments in their corresponding options from the right pane.
    ■Click Next from the bottom-right corner to continue.

    ■From the Firewall Configuration – Summary window, click Finish located at the bottom-right corner to complete the configuration.


 
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