Cisco Headend Digital Broadband Delivery System
Chapter 4 Password Management
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Changing User Account Passwords
Important: If your password management and/or user account management is
administered by an external LDAP, RADIUS, or Sudo system, you must manage
your passwords and user accounts on that system and not on the DNCS. For more
information, see Enable RADIUS and LDAP Support in a DBDS for SR 5.0 Configuration
Guide (part number 4017610) or contact your system administrator for more
information.
administered by an external LDAP, RADIUS, or Sudo system, you must manage
your passwords and user accounts on that system and not on the DNCS. For more
information, see Enable RADIUS and LDAP Support in a DBDS for SR 5.0 Configuration
Guide (part number 4017610) or contact your system administrator for more
information.
We recommend that you change the default passwords for the root and for the dncs
role at a minimum to increase the security level on the DNCS, the RNCS, and the
Application Server. Our recommendations for other account passwords are as
follows:
role at a minimum to increase the security level on the DNCS, the RNCS, and the
Application Server. Our recommendations for other account passwords are as
follows:
informix account: Do not change the informix account password. Remote login
for this user is disabled by default.
for this user is disabled by default.
dncsSSH account: Do not change the dncsSSH account password. Remote login
for this user is disabled by default.
for this user is disabled by default.
easftp and dncsftp accounts: Modifying these account passwords should be
done only in collaboration with the administrators of the EAS, DNCS, third-
party systems, and billing systems.
Notes:
done only in collaboration with the administrators of the EAS, DNCS, third-
party systems, and billing systems.
Notes:
-
The dncsftp password is not applicable to the RNCS.
-
The easftp and dncsftp users are not applicable to the Application Server.
A user account password can be changed by the user or by the system administrator.
Changing Your Own OS Password
Note: This topic applies to the OS login user accounts on all systems.
1 Open an xterm window on the system.
2 Type
1 Open an xterm window on the system.
2 Type
passwd -r files
and press Enter. The system will prompt you for your
existing password.
3
Enter your existing password and press Enter. The system will prompt you for
your new password.
your new password.
4 Enter your new password and press Enter. The system prompts you to re-enter
your new password.
5 Type your new password again and press Enter. The system compares your two
password entries. If they match, the password successfully changed message
appears. If they do not match, you must re-enter the new password.
appears. If they do not match, you must re-enter the new password.
6 Type
exit
and press Enter to close the xterm window.