Bind Bastion Host to Google Authenticator

1. Download Google Authenticator software on mobile, freeOTP

2. Click on the personal center at the top right-hand corner - Mobile token to scan sequence 2 QR code to bind

3. Click on User Management, select the corresponding user, and click on More to modify Multi-Factor Authentication

4. Check Mobile Token is enough. ( It is suggested to check Mobile SMS Sync )