Changing Default sshd Secure Session Logout Parameters
The following command sequence modifies the default settings for the ClientAliveCountmax (default = 3)
and ClientAliveInterval (default = 15 seconds) parameters.
Step 1
Enter the context configuration mode.
[local]
host_name
#
configure
Step 2
Go to the SSH Configuration mode.
[local]
host_name
(config)#
context context_name
Step 3
Set the ClientAliveCountmax parameter to 2.
[local]
host_name
(config-sshd)#
client-alive-countmax 2
Step 4
Set the ClientAliveInterval parameter to 5 seconds.
[local]
host_name
(config-sshd)#
client-alive-interval 5
Step 5
Exit the SSH Configuration mode.
[local]
host_name
(config-sshd)#
end
[local]
host_name
#
SSH Client Login to External Servers
StarOS supports public key authentication for SSH/SFTP access from the StarOS gateway to external servers.
You configure this feature by generating SSH client key pairs and pushing the client public key to external
servers
By default StarOS only supports username-password authentication to external servers.
Note
Setting SSH Client Ciphers
The SSH Client Configuration mode
ciphers
CLI command configures the cipher priority list when logging
into an external server.
Step 1
Enter the SSH Client Configuration mode.
[local]
host_name
(config)#
client ssh
Step 2
Specify the desired encryption algorithms.
[local]
host_name
(config-ssh)#
ciphers algorithms
Notes:
•
algorithms
is a string of 1 through 511 alphanumeric characters that specifies the algorithm(s) to be used as a single
string of comma-separated variables (no spaces) in priority order (left to right) from those shown below:
ASR 5500 System Administration Guide, StarOS Release 21.5
21
Getting Started
SSH Client Login to External Servers