--- id: security title: Security and Support --- ## Security Considerations ### During Upgrade - Database is temporarily accessible during restore process - Ensure no unauthorized network access during upgrade - All passwords remain unchanged in PostgreSQL 16 ### After Upgrade - Review and update security configurations - Consider enabling additional PostgreSQL 16 security features - Monitor for any unusual database activity ## Support and Recovery ### If You Need Help 1. **Check the logs**: All operations are logged with timestamps 2. **Review backups**: Multiple backup layers are created 3. **Use role fix mode**: For role-related issues post-upgrade 4. **Rollback option**: Complete instructions provided above ### Backup Retention - **Keep database dumps**: For at least 30 days - **Volume backups**: Can be removed after successful verification - **Configuration backups**: Keep indefinitely