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  • Overview
  • User Management
  • Role Management
  • Grant & Revoke Permissions
  • LDAP / Active Directory
  • Best Practices
  1. Docs
  2. /
  3. Access Control

Best Practices

Overview

Security best practices for Role-Based Access Control in Ultipa GQLDB.

Principle of Least Privilege

Grant only the minimum permissions each role actually needs. Use specific resource grants instead of wildcards, and audit permissions regularly.

GQL
// Good: specific graph access
GRANT READ ON GRAPH production TO ROLE analyst

// Avoid: wildcard access unless truly necessary
GRANT READ ON GRAPH * TO ROLE analyst

Role Design

Create roles based on job functions, not individuals. Use the built-in roles as a starting point and compose custom roles on top.

GQL
// Create roles for distinct job functions
CREATE ROLE data_analyst
CREATE ROLE data_engineer
CREATE ROLE app_service

// Compose: analyst inherits read-only access from the built-in reader role,
// then add procedure execution
GRANT EXECUTE_ALGORITHM ON DATABASE TO ROLE data_analyst
GRANT EXECUTE_PROCEDURE ON GRAPH production PROCEDURE * TO ROLE data_analyst

Note that the right to run an algorithm does not include the right to write its results: .write mode needs UPDATE on the whole graph. Give an analyst that persists results the writer role as well, and leave it off the analysts who only read.

Separate Security from Data Administration

Avoid combining data access with user/role administration in a single role.

GQL
// Security admin manages users but cannot read data
GRANT USER_MANAGEMENT ON DATABASE TO ROLE sec_admin
GRANT ROLE_MANAGEMENT ON DATABASE TO ROLE sec_admin
GRANT GRANT_MANAGEMENT ON DATABASE TO ROLE sec_admin

// Data admin manages data but cannot manage users
GRANT ALL_DATA ON DATABASE TO ROLE data_team_admin

Fine-Grained DDL Control

Grant specific schema operations rather than full DDL when possible.

GQL
// Allow creating and dropping indexes but not graphs
CREATE ROLE index_manager
GRANT CREATE_INDEX ON GRAPH sales TO ROLE index_manager
GRANT DROP_INDEX ON GRAPH sales TO ROLE index_manager
GRANT SHOW_SCHEMA ON GRAPH sales TO ROLE index_manager

Dedicated Backup Operator

Use the built-in backup_admin role for backup automation, so the backup account does not have data-read access.

GQL
CREATE USER backup_bot PASSWORD 'backup_bot_strong_password'
GRANT ROLE backup_admin TO USER backup_bot

Password Management

  • Enforce a minimum password length (6+ characters; the database accepts up to 128).
  • Rotate service-account passwords on a schedule.
  • Use distinct accounts for each environment (development, staging, production).
GQL
// Rotate a service account's password
ALTER USER backend_service SET PASSWORD 'new_secure_password_789'

Regular Audits

Audit user and role permissions periodically.

GQL
// Audit a user's effective permissions
SHOW GRANTS FOR USER alice

// Audit a specific role
SHOW GRANTS FOR ROLE data_analyst

// List all users
SHOW USERS

// List all roles
SHOW ROLES

// Review the available operation catalog
SHOW PERMISSIONS

Environment Separation

Use separate users and roles for each environment, with stricter rules for production.

GQL
// Development
CREATE USER app_dev PASSWORD 'dev_password_strong'
GRANT READ, INSERT, UPDATE, DELETE ON GRAPH dev_graph TO ROLE app_readwrite
GRANT ROLE app_readwrite TO USER app_dev

// Production: read-only service account
CREATE USER app_prod PASSWORD 'prod_password_strong'
GRANT ROLE reader TO USER app_prod