How To Change Firewall Settings On Comcast Router?

How To Change Firewall Settings On Comcast Router?


The Firewall helps to manage data traffic over a network. The main advantage of this feature is to block spam websites and avoid the installation of unwanted applications on your system. This will prevent your personal data from security threats. Read the below steps to know how to change firewall settings on Comcast router

Firewall settings

By default, the firewall feature is minimal. To enhance security, you have to set up the firewall accordingly. To know how to customize the firewall settings on your Comcast router, refer to the procedure given on this web page.

Step 1 - Connection

Establish a connection between your computer and the Comcast router.

Step 2 - Router’s IP Address

  • Windows - Go to the Windows search bar, type network connection, and select the View Network Connections option.
  • Choose your network, click the Details button, and you will find the Comcast router’s IP address in the Default Gateway field.
  • Alternatively, enter the ‘ipconfig’ command without including the single quotes in the Command Prompt window and press Enter.
  • You can get the IP address from the Default Gateway field.
  • By default, the Comcast router’s IP address is

Step 3 - Accessing The Router’s Web Page

  • Enter the IP address of the Comcast router in the address bar of your web browser.
  • On the login page, provide the router’s username and password in the appropriate fields.
  • By default, the username and password of the Comcast router are admin and password, respectively.
  • Now, you can access the Admin page of the router.

Step 4 - How To Change Firewall Settings On Comcast Router?

  • Click the Gateway option followed by the Firewall option.
  • Select either the IPv4 or IPv6 option.
  • Now, you will see the Maximum Security (High), Typical Security (Medium), Minimum Security (Low), and Custom Security options on the screen.
  • High - This will block all the applications except web browsers, email, iTunes, and VPN.
  • Medium - It will block all peer-to-peer applications and you can access most of the websites.
  • Low - This is the default one set on the Comcast router.
  • Custom Security - You can block any specific websites.
  • Select any one of the firewall options as per your need and then click the Save Settings button at the bottom of the web page. If you have any further queries regarding how to change firewall settings on Comcast router, click the call button.

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