HashiCorp Boundary SSH Access Proxy is built to secure access without sharing raw credentials or opening direct network paths. It places a controlled proxy between the user and the target host, enforcing authentication, session logging, and fine-grained authorization in real time.
With Boundary, you bind SSH access to identity. Instead of distributing private keys or VPN profiles, you define access policies in a centralized workspace. The Boundary controller verifies identity through its authentication provider, maps permissions to roles, and brokers each connection through its worker nodes.
The SSH Access Proxy pattern means the client never talks directly to the target until the moment the session starts. Boundary handles ephemeral credentials, pushing short-lived SSH certificates to authorized users. It makes credential rotation automatic and invisible. When the session ends, credentials expire. No leftovers, no long-lived secrets.
Deploying HashiCorp Boundary for SSH access uses a simple workflow:
- Install and configure the Boundary controller and workers.
- Register targets with host catalogs.
- Define roles, scopes, and grants for SSH access.
- Connect via the CLI or desktop client, pointing at the Boundary address.
For secure environments, Boundary removes the need for bastion hosts. Access control lives in the policy engine, and traffic flows through a managed proxy. The result: reduced attack surface, faster onboarding, and clean session audit trails.
Integrating Boundary into existing infrastructure works well with cloud-native and on-prem hosts. Use it to provide SSH access across AWS, GCP, Azure VMs, or bare-metal servers without reconfiguring network firewalls. Boundary workers act as the connection point in each network segment, scaling horizontally when load increases.
For teams with compliance requirements, the HashiCorp Boundary SSH Access Proxy supplies full session logging. Every connection request, success, and termination gets recorded. You can push logs to your SIEM, stream metrics, and enforce exact policy checks before any data leaves the proxy.
Stop giving away permanent SSH keys. Control every login. Run the gateway at the edge, in your cloud, or right inside your internal network.
See it live in minutes. Visit hoop.dev and connect to your SSH targets through HashiCorp Boundary with full access control—no heavy setup, just secure proxy sessions fast.