How to Setup Router Firewall?

By Dominic Chooper on July 04, 2023

A router firewall plays a very important role in ensuring hackers and cybercriminals cannot get into your computer system and affect its normal functioning. You will therefore need to ensure it is perfect and functional, and even configure it accordingly.

It is quite easy to configure or set up a router firewall. This article will guide you through.


Why Do You Need to Setup a Router Firewall?

The most significant reason to set up a router firewall is to ensure that the first line of defense for your computer system and network is functional and adequate to protect all digital gateways from cybercriminals and hackers.

In addition to that, it also helps in several other ways, such as:

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Most importantly, a router firewall properly setup works as a barrier between the malicious outside networks and the reliable internal network.

In short, a router firewall will only allow authorized and necessary services and block everything else.

Apart from that, you can set your own rules for the router to follow when you configure the router firewall. This will help you to know vital information, such as:

The router firewall, when set properly, will match a data packet with the corresponding port based on the service as well.

Ways to Setup Router Firewall

How to Setup Router Firewall

You can set up your router firewall by accessing its configuration page, finding Firewall or SPI Firewall, enabling it, saving the changes and applying it by rebooting the system.

You must also configure the services and disable the ones that you do not need.

You can also configure the router firewall by including or changing the access control lists and rules depending on your security needs and connectivity.

Update the firewall firmware and set up the network structure by grouping assets and placing them together into zones or networks depending on their functions and level of sensitivity.

The process is short and simple. You can accomplish it in a few easy steps as explained below.

Method 1: From the Routers Configuration Page

One way you can set up the router firewall is from its configuration page.


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Typing in myrouter.local

Going to the Configuration tab

When you do so, the system may restart to apply the changes, and now your router firewall will be set.

Through the configuration page, you can also change the access control settings, email and others.

Turning on Access Control

You may also allow or block new devices from using the router to connect, as shown in the image above.

Setting keyword Blocking

Blocking Services

Setting a Schedule

Setting the email notification feature on

When all these features are set up on your router firewall, you will successfully minimize the chances of your network being hacked or misused.

Method 2: Through the Web-based Firewall Advanced Setup Page

You may also setup the router firewall from the web-based setup page. However, you will need to know the specific IP address of the router for that.

Here are the complete steps to follow.


To find the IP address of the router, open the Command Prompt by pressing the Windows and R keys together on your keyboard > typing cmd.exe in the Run dialog box > hitting Enter. Chose run as administrator.

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Typing ipconfig

Going to the Firewall tab

Clicking on Firewall advanced

Device Access Code

Clicking on the Save button

When it shows Changes saved, (indicated by a red arrow in the above image), you are good to go.


There are lots of things you can change in your router to set it up properly.

If you did not know how, with the easy steps explained in this article you should be able to do it yourself now and enhance the line of defense of the computer home network.