Cisco Headend Digital Broadband Delivery System
![Cisco](https://files.manualsbrain.com/attachments/7380d0050044647c30f5c24bbbf5d0c0b6d9bb84/common/fit/150/50/faa183d287233c52228cfea3dbc2a127fe780f60564fcb0955d9c3d1cd23/brand_logo.png)
Contents
iv
4034689 Rev A
Session Limitations ................................................................................................................ 22
Overriding Session Limitations .............................................................................. 22
Session Timeout ..................................................................................................................... 24
Session Timeout Defaults ........................................................................................ 24
Changing the Session Timeout Default ................................................................. 24
Changing the Session Timeout Default ................................................................. 24
Session Lock ............................................................................................................................ 26
Session Lock Defaults ............................................................................................... 26
Changing the Session Lock Number ...................................................................... 26
Unlocking a User Account ....................................................................................... 27
Changing the Session Lock Number ...................................................................... 26
Unlocking a User Account ....................................................................................... 27
Login Time Limit ................................................................................................................... 28
Login Time Limit Defaults ...................................................................................... 28
Changing the Login Time Limit for SSH and SFTP ............................................. 28
Changing the Login Time Limit for SSH and SFTP ............................................. 28
CDE Screen Lock .................................................................................................................... 30
CDE Screen Lock Default ......................................................................................... 30
Modifying the CDE Screen Lock ............................................................................ 30
Modifying the CDE Screen Lock ............................................................................ 30
Killing a Session ..................................................................................................................... 31
Chapter 4 Password Management
33
Password Guidelines ............................................................................................................. 34
System Password Retention ................................................................................................. 35
Changing User Account Passwords .................................................................................... 36
System Password Retention ................................................................................................. 35
Changing User Account Passwords .................................................................................... 36
Changing Your Own OS Password ........................................................................ 36
Changing Another OS User's Password ................................................................ 37
Changing the Web Interface User's Password ...................................................... 37
Changing the Root Password .................................................................................. 38
Changing Another OS User's Password ................................................................ 37
Changing the Web Interface User's Password ...................................................... 37
Changing the Root Password .................................................................................. 38
Password Expiration Period ................................................................................................. 39
Password Expiration Period Defaults .................................................................... 39
Changing a User Password Expiration Period ..................................................... 40
Disabling a User Password Expiration Period...................................................... 41
Changing a User Password Expiration Period ..................................................... 40
Disabling a User Password Expiration Period...................................................... 41
Chapter 5 SSH, SFTP, and SCP Connections
43
Overview ................................................................................................................................. 44
SSH Security File Errors ........................................................................................................ 45
Using SFTP and SCP .............................................................................................................. 47
Changing the SSH and SFTP Connection Retries Parameter .......................................... 48
SSH Security File Errors ........................................................................................................ 45
Using SFTP and SCP .............................................................................................................. 47
Changing the SSH and SFTP Connection Retries Parameter .......................................... 48
Chapter 6 Security Event Logs and Auditing
49
Security Event Logs ............................................................................................................... 50
System Auditing Using BSM ................................................................................................ 51
System Auditing Using BSM ................................................................................................ 51
BSM Auditreduce ...................................................................................................... 52