Can you add a Network rule with "*" in the namespace and an Application rule with port 445 in Azure firewall?

Rakesh Singh 310 Reputation points
2024-12-13T20:31:11.9566667+00:00

Hi Team,

We have a requirement, wherein we have to allow a URL on Azure firewall with following requirement:

URL: *.abc.com
Port: 445

Now, I cannot create an application rule with port 445 and Network rule doesn't accept "*" in the URL. So, how would I go about it and get this created.

Thanks.

Azure Firewall
Azure Firewall
An Azure network security service that is used to protect Azure Virtual Network resources.
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Accepted answer
  1. Andreas Baumgarten 114.5K Reputation points MVP
    2024-12-13T20:58:00.8166667+00:00

    Hi @Rakesh Singh ,

    as you mentioned:

    • Azure Firewall Application Rules are limited to http/https protocols/ports (80/443) but support wildcards in URL.
    • Azure Firewall Network Rules supporting multiple protocols/ports but limited with no support of wildcards in URLs.

    The only way I can see is to use Network Rules and you have to add a rule for every single URL.

    I haven't found any other solution so far.


    (If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)

    Regards

    Andreas Baumgarten

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