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Chapter 12: Remote Authentication 
 
162
 
 
3.  Username and password are either accepted or rejected and sent 
back. If authentication is rejected, this results in a failed login 
attempt. 
4.  If authentication is successful, authorization is performed. CC-SG 
checks if the username entered matches a group that has been 
created in CC-SG or imported from AD, and grants privileges 
according to the assigned policy. 
When remote authentication is disabled, both authentication and 
authorization are performed locally on CC-SG. 
 
User Accounts 
User Accounts must be added to the authentication server for remote 
authentication. Except when using AD for both authentication and 
authorization, all remote authentication servers require that users be 
created on CC-SG. The user's username on both the authentication 
server and on CC-SG must be the same, although the passwords may 
be different. The local CC-SG password is used only when remote 
authentication is disabled. See 
Users and User Groups
 (on page 129) 
for details on adding users who will be remotely authenticated. 
Note: If remote authentication is used, users must contact their 
Administrators to change their passwords on the remote server. 
Passwords cannot be changed on CC-SG for remotely authenticated 
users. 
 
Distinguished Names for LDAP and AD 
Configuration of remotely authenticated users on LDAP or AD servers 
requires entering usernames and searches in Distinguished Name 
format. The full Distinguished Name format is described in RFC2253 
(http://www.rfc-editor.org/rfc/rfc2253.txt). 
To configure CC-SG, you must know how to enter Distinguished Names 
and the order in which each component of the name should be listed. 
 
Specify a Distinguished Name for AD 
Distinguished Names for AD should follow this structure. You do not 
have to specify both common name and organization unit: 
• 
common name (cn), organizational unit (ou), domain component (dc) 
 
Specify a Distinguished Name for LDAP 
Distinguished Names for Netscape LDAP and eDirectory LDAP should 
follow this structure: 
• 
user id (uid), organizational unit (ou), organization (o)