···7878--- | --- | --- |
7979| `DISABLE_GUEST_ACCESS` | Disable anonymous/guest sign-in. When set to `true`, the guest access button will not be shown on sign-in and sign-up pages. | `false` |
8080| `DISABLE_REGISTRATION` | Disable public user registration. When set to `true`, the sign-up option will not be shown on the sign-in page and new user creation is blocked (including via SSO). **Note:** Users with valid workspace invitations can still register even when this is enabled. | `false` |
8181+| `DISABLE_PASSWORD_REGISTRATION` | Disable password-based account creation. When set to `true`, email/password sign-up is blocked, but social/OIDC registration remains available unless `DISABLE_REGISTRATION=true`. | `false` |
81828283### GitHub SSO & Integration
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