Network Protection

Azure networking provides the infrastructure necessary to securely connect virtual machines to one another, and to connect on-premises data centers with Azure VMs.

Azure blocks unauthorized traffic to and within Microsoft data centers using a variety of technologies such as:

  • firewalls,
  • partitioned Local Area Networks (LANs), and
  • physical separation of back-end servers from public-facing interfaces.

Network isolation

Network isolation prevents unwanted tenant-to-tenant communications, and access controls block unauthorized users from the network. Virtual machines do not receive inbound traffic from the Internet unless customers configure them to do so.

Virtual networking

A customer can assign multiple deployments within a subscription to a virtual network and allow those deployments to communicate with each other using private IP addresses. Each virtual network is isolated from other virtual networks.

Encrypting communications

Built-in cryptographic technology enables customers to encrypt communications within and between deployments, between Azure regions, and from Azure to onpremises data centers. Encryption can be configured to protect administrator access to virtual machines through remote desktop sessions and remote Windows PowerShell. Access to the Azure Management Portal is encrypted by default using HTTPS.

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