Hi,
Here is the high-level details for authentication and accessing Azure Files using Entra ID
- Microsoft Entra Kerberos for hybrid identities: Using Microsoft Entra ID for authenticating hybrid user identities allows Microsoft Entra users to access Azure file shares using Kerberos authentication. This means your end users can access Azure file shares over the internet without requiring network connectivity to domain controllers from Microsoft Entra hybrid joined and Microsoft Entra joined VMs. Cloud-only identities aren't currently supported.
- How it works Azure file shares use the Kerberos protocol to authenticate with an AD source. When an identity associated with a user or application running on a client attempts to access data in Azure file shares, the request is sent to the AD source to authenticate the identity. If authentication is successful, it returns a Kerberos token. The client sends a request that includes the Kerberos token, and Azure file shares use that token to authorize the request. Azure file shares only receive the Kerberos token, not the user's access credentials.
Hope this helps.
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