Concept Guide

Using HTTP for File Transfers........................................................................................................................................ 57
Verify Software Images Before Installation...................................................................................................................58
4 Management............................................................................................................................................... 60
Conguring Privilege Levels........................................................................................................................................... 60
Creating a Custom Privilege Level............................................................................................................................61
Removing a Command from EXEC Mode............................................................................................................... 61
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................ 61
Allowing Access to CONFIGURATION Mode Commands.....................................................................................61
Allowing Access to Dierent Modes........................................................................................................................ 61
Applying a Privilege Level to a Username............................................................................................................... 63
Applying a Privilege Level to a Terminal Line.......................................................................................................... 63
Conguring Logging........................................................................................................................................................ 63
Audit and Security Logs............................................................................................................................................ 64
Conguring Logging Format ...................................................................................................................................66
Display the Logging Buer and the Logging Conguration..................................................................................66
Setting Up a Secure Connection to a Syslog Server.............................................................................................67
Log Messages in the Internal Buer..............................................................................................................................68
Conguration Task List for System Log Management.......................................................................................... 68
Disabling System Logging............................................................................................................................................... 68
Sending System Messages to a Syslog Server............................................................................................................68
Conguring a UNIX System as a Syslog Server.....................................................................................................69
Track Login Activity......................................................................................................................................................... 69
Restrictions for Tracking Login Activity.................................................................................................................. 69
Conguring Login Activity Tracking.........................................................................................................................69
Display Login Statistics..............................................................................................................................................70
Limit Concurrent Login Sessions.....................................................................................................................................71
Restrictions for Limiting the Number of Concurrent Sessions............................................................................. 71
Conguring Concurrent Session Limit......................................................................................................................71
Enabling the System to Clear Existing Sessions.................................................................................................... 72
Enabling Secured CLI Mode............................................................................................................................................73
Changing System Logging Settings...............................................................................................................................73
Display the Logging Buer and the Logging Conguration........................................................................................ 74
Conguring a UNIX Logging Facility Level.................................................................................................................... 74
Synchronizing Log Messages......................................................................................................................................... 75
Enabling Timestamp on Syslog Messages.................................................................................................................... 76
File Transfer Services.......................................................................................................................................................76
Conguration Task List for File Transfer Services.................................................................................................. 77
Enabling the FTP Server........................................................................................................................................... 77
Conguring FTP Server Parameters........................................................................................................................77
Conguring FTP Client Parameters......................................................................................................................... 78
Terminal Lines................................................................................................................................................................... 78
Denying and Permitting Access to a Terminal Line................................................................................................ 78
Conguring Login Authentication for Terminal Lines.............................................................................................79
Setting Timeout for EXEC Privilege Mode...................................................................................................................80
Using Telnet to get to Another Network Device...........................................................................................................81
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