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- Step 1: The VPN client will ask the user to enter their 1st credential, e.g. static password
- Step 1: The users enters a their 1st credential, e.g. static password
- The server checks the validity of the user’s static password1st credential.
- Step 2: If the server successfully verified the user's static password, then it will prompt the user to enter the 2nd credential, e.g. one-time password.
- Step 2: The user enters the 2nd credential, such as e.g. one-time password, to continue.
- The server checks the validity of the user’s 2nd credential.
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