Boundary is Hashicorp’s secure remote access tool. It gives fine-grained, identity-aware authorization without sharing static credentials. OIDC is an identity layer built on top of OAuth 2.0, used by providers like Google, Okta, and Azure AD. Integrating the two links user authentication directly to centralized identity management systems.
With OIDC, Boundary trusts an external identity provider. Users log in through that provider. No passwords are stored in Boundary. Access tokens validate the user’s identity. Policies assign permissions to roles. The result is a clean separation between authentication and authorization.
To configure Hashicorp Boundary with OIDC:
- Set up an OIDC application on your identity provider. Copy the client ID, client secret, and redirect URI.
- In Boundary’s admin console or API, create an authentication method of type
oidc. - Input the provider’s discovery URL, client credentials, and scopes.
- Map claims from the ID token to Boundary roles.
- Test login flow. Confirm that role-based permissions work as expected.
Secrets are never exposed. Verification happens at the edge. Audit logs show identity, time, and action. Scaling to thousands of users is straightforward because the identity provider handles authentication complexity.
Common OIDC configuration options in Boundary include prompt settings to force re-authentication, custom scopes to pull extra claims, and token refresh intervals. Use TLS everywhere. Keep client secrets secure.
By uniting Hashicorp Boundary and OpenID Connect, you gain secure, centralized authentication with granular access control, cutting attack surfaces and improving compliance.
See how this works in practice. Build an OIDC-connected Boundary setup on hoop.dev and watch it go live in minutes.