Denying specific websites(Facebook,youtube) through Azure Firewall

i'm pops 1 Reputation point
2021-09-23T14:33:54.233+00:00

Hi @Azurebegginer

I'm a learner and, I just wanted to know how can I block specific websites(Facebook and Youtube) using Azure Firewall. A detailed explanation would be highly appreciated.

Thank you
pops

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
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  1. GitaraniSharma-MSFT 49,391 Reputation points Microsoft Employee
    2021-09-23T17:44:39.62+00:00

    Hello @i'm pops ,

    Welcome to Microsoft Q&A Platform. Thank you for reaching out & hope you are doing well.

    Azure Firewall has a feature called Web categories which lets administrators allow or deny user access to web site categories such as gambling websites, social media websites, and others.

    Web categories are included in Azure Firewall Standard, but it's more fine-tuned in Azure Firewall Premium. As opposed to the Web categories capability in the Standard SKU that matches the category based on an FQDN, the Premium SKU matches the category according to the entire URL for both HTTP and HTTPS traffic.
    Please refer : https://learn.microsoft.com/en-us/azure/firewall/features#web-categories

    You can find all the web categories in the below article:
    https://learn.microsoft.com/en-us/azure/firewall/web-categories
    However, currently there is no way to find out the sites included in these categories and this is being worked on by the backend team which will be available soon.

    How to set web categories block in Azure Firewall Standard:

    134762-image.png

    How to set web categories block in Azure Firewall Premium:
    https://learn.microsoft.com/en-us/azure/firewall/premium-portal#rule-configuration

    If your requirement is not to block all sites under a particular category and just want to block access to a couple of sites, then you can make use of default Application rule in Azure Firewall as below:

    134781-image.png

    Please refer : https://learn.microsoft.com/en-us/azure/firewall/tutorial-firewall-deploy-portal-policy#configure-an-application-rule

    Kindly let us know if the above helps or you need further assistance on this issue.

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