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Azure Application Gateway to On Prem Service - Lock down on prem to only respond to Azure requests

Peter D 0 Reputation points
2023-07-20T17:40:20+00:00

Hello,

We have setup Azure Application Gateway which is forwarding traffic to our on-premises server, and its working great. My question is what IP ranges or IP addresses can we setup in our on-prem firewall to lock down so that we are only responding to Azure requests requests and nothing else.

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
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Azure Web Application Firewall

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  1. msrini-MSFT 9,286 Reputation points Microsoft Employee
    2023-07-24T06:23:41+00:00

    Hi, Application Gateway will act as a reverse proxy. So you will need to whitelist Application Gateway subnet in your On-Premises to accept traffic and block rest of the IPs.

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