ZyXEL ZYWALL USG 100 User Guide - Page 91
What Can Go Wrong - one time password
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Chapter 4 Create Secure Connections Across the Internet 1 Install the SafeWord 2008 authentication server software on a computer. 2 Create user accounts on the ZyWALL and in the SafeWord 2008 authentication server. 3 Import each ZyWALL OTPv2 token's database file (located on the included CD) into the server. 4 Assign users to ZyWALL OTPv2 tokens on the server. 5 Configure the SafeWord 2008 authentication server as a RADIUS server in the ZyWALL's Configuration > Object > AAA Server screens. 6 Configure the appropriate authentication method object to use the SafeWord 2008 authentication server RADIUS server object. 7 Configure Auth. Policy and VPN to use the authentication method object. 8 Give the ZyWALL OTPv2 tokens to the assigned users. 9 A user presses his ZyWALL OTPv2 token's button to generate a password to enter in the Login screens' One-Time Password field. 4.7.1 What Can Go Wrong • Users cannot log in if they try to re-use a password that they have already used to log in. Users must generate a new password for each login. • Authentication fails if the SafeWord 2008 authentication server goes down, loses its network connection, or is too busy. Users can try again a little later. ZyWALL USG100-PLUS User's Guide 91