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🔒 Secure RDP/SSH to Azure VMs—without public IP exposure
If you’re still assigning public IPs or managing jump servers/VPNs for remote VM access, it’s time to meet Azure Bastion—a fully managed PaaS that lets you connect over HTTPS (443) directly from the Azure portal or supported clients.
💡Why teams choose Bastion
⚡️No public IPs on VMs → smaller attack surface
⚡️Seamless browser‑based RDP/SSH → fewer tools to maintain
⚡️Tier‑based scalability & controls → fit dev, prod, and regulated workloads
💡Networking essentials
⚡️Deployed inside your VNet
⚡️Dedicated subnet: AzureBastionSubnet (/26 minimum)
⚡️Default internal ports: 22 (SSH), 3389 (RDP); external: 443 (HTTPS)
💡Tiers at a glance
⚡️Basic: Same‑VNet connectivity; entry level for dev/test
⚡️Standard: Cross‑VNet via peering, scalable; IP‑based connection + sharable links
⚡️Premium: Zero‑Trust model, no public IP on Bastion, session recording for compliance
💡Capacity & configuration
⚡️Up to 5 instances
⚡️Per instance: 20 RDP sessions / 40 SSH sessions
⚡️Need custom ports? Use a jump server pattern for tightly controlled access
💡Access & sharing
⚡️Generate sharable links by selecting subscription, RG, and target VM
⚡️No Azure portal access required for end users; authenticate with username/password or SSH keys
💡Bottom line
Azure Bastion simplifies secure remote access, reduces operational overhead, and strengthens your security posture—ideal for organizations aiming for compliant, efficient connectivity to Azure workloads.
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