Chapter 29: Security
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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Note: SSH public key authentication must be enabled with the configure ip ssh public-key-auth command before the
configure ip ssh public-key-auth-req command can be used.
configure ip ssh public-key-auth-first [no]
Note: The configure ip ssh password-auth-req and configure ip ssh public-key-auth-req commands must both be set to
enabled before enabling the configure ip ssh public-key-auth-first command.
The command defaults are configure ip ssh password-auth (enabled), configure ip ssh password-auth-req no (disabled),
configure ip ssh public-key-auth (enabled), configure ip ssh no public-key-auth-req (disabled), and configure ip ssh public
key-auth-first no (disabled).
To adjust the number of authentication attempts before the client is disconnected:
configure ip ssh max-auth-fail <num-failures>
The default is 3.
Remove a Client
To remove a specific client connection using the ID displayed in the show ip ssh command:
configure disconnect ssh <connected-client-id>
Show Commands
To view the server status, configurable parameters, fixed parameters, and changed parameters requiring a server restart:
show ip ssh config
To show all client connections:
show ip ssh