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Issue with Whitelisting Azure IP Ranges for Bot Service

Muhammed Abdulaziz 20 Reputation points
2024-12-03T14:16:41+00:00

Hello,
I am encountering an issue related to whitelisting Azure IP ranges. I work on a bot solution that utilizes the Azure Bot Service and Microsoft Bot Framework, which we deploy on-premises.

Most of our clients deploy the service behind a firewall. When an issue arises related to IP blocking, we typically refer to the "Azure IP Ranges and Service Tags – Public Cloud" document, available here.

Recently, we encountered a situation where the domain "login.botframework.com" resolved to an IP address, "20.105.232.11", which was not listed in the IP ranges. Upon further investigation, I found that this IP is located in the Netherlands and belongs to Azure.

Could you provide any insights into this issue? Is there a reason why this IP wasn't included in the standard IP range list? Any guidance on how to handle such discrepancies would be greatly appreciated.

Thank you for your help!

Azure AI Bot Service
Azure AI Bot Service
An Azure service that provides an integrated environment for bot development.
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  1. romungi-MSFT 48,221 Reputation points Microsoft Employee
    2024-12-04T12:29:11.0133333+00:00

    @Muhammed Abdulaziz I understand you are using this to whitelist IPs of Azure every week but unfortunately this is a risk that is captured in bot service documentation.

    Bot Framework Services is hosted in Azure data centers world-wide and the list of Azure IPs is constantly changing. That means allow-listing certain IP addresses may work one day and break the next as the Azure IP Addresses change.

    I feel in this case, the mentioned IP was missed in the JSON. I am not sure how this list gets updated but if this is a dependency for you, try raising a support case to confirm if there is an alternative way to whitelist the required domain or IPs.

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