@Shaheer MP If port 445 is blocked you may refer to the suggestion mentioned in this articles. Where you get lot of option
https://learn.microsoft.com/en-us/azure/storage/files/storage-troubleshoot-windows-file-connection-problems?tabs=azure-portal
This article provides detailed information How to Configure a Site-to-Site VPN for use with Azure Files
Configure point-to-site VPN clients - certificate authentication - macOS and iOS
If you have any additional questions or need further clarification, please let me know.
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