To enable access to Azure virtual machines from the Azure portal using port 443 and TLS 1.2, you generally need to ensure the following configurations are in place: Prerequisites for Access via Azure Portal Accessing virtual machines from the Azure portal (e.g., using features like Azure Bastion or the Serial Console) leverages specific Microsoft-managed services that inherently use secure protocols. *-> 1. Azure Bastion: This is the primary, secure way to connect to your VMs directly within the Azure portal via RDP/SSH. 2. Serial Console: This feature is primarily for troubleshooting boot issues. Reference: https://adex.ltd/connecting-to-private-linux-vm-using-bastion-host