NIOS supports the following remote authentication methods: AD domain controllers, RADIUS, LDAP, TACACS+, and Two-factor authentication and authenticates admins whose credentials are stored remotely on these servers. For more information, see About Remote Admins on page 213Admins.
AD domain controllers
The minimum timeout value for AD domain controllers is one second. You must add domain controllers to an AD authentication server group and specify the minimum timeout value from the Grid Manager. To add domain controllers, from the Administration tab -> Authentication Server Groups tab -> Active Directory Services subtab, click the Add icon and enter the details in the Add Active Directory Authentication Service wizard. You can specify either SSL or CA Certificates as the encryption method. If you enable SSL encryption for AD, then CA certificates are used for LDAP communication. For more information, see Authenticating Admins Using Active Directory on page 219.
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