Azure portal URL safelist
Microsoft's edit ·
Microsoft's commit message in MicrosoftDocs/azure-management-docs · commit 3be0c26 · +3 −1 lines · also on GitHub
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---
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title: Allow the Azure portal URLs on your firewall or proxy server
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description: To optimize connectivity between your network and the Azure portal and its services, we recommend you add these URLs to your allowlist.
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−ms.date: 04/21/2025
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+ms.date: 07/01/2025
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ms.topic: concept-article
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# Customer intent: "As a network administrator, I want to add Azure portal URLs to our allowlist on the firewall or proxy server, so that I can ensure optimal connectivity and performance for users accessing Azure services."
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---
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> However, there is a possibility that unnecessary communication other than communication to access the portal may also be allowed. If granular control is required, FQDN-based access control such as Azure Firewall is required.
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#### Azure portal authentication
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```
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login.microsoftonline.com
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*.aadcdn.msftauth.net
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*.azure.cn
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*.microsoft.cn
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*.microsoftonline.cn
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+*.microsoftonline.com
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*.msidentity.cn
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*.chinacloudapi.cn
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*.trafficmanager.cn
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Microsoft's Markdown source from MicrosoftDocs/azure-management-docs, © Microsoft Corporation, under CC BY 4.0. Changed lines with up to 3 unchanged lines around each; ChangeIntel kept this copy 10 Oct 08:53 UTC. The commit date is when the source changed, which can be hours or days before Learn published it.