3Com Switch 4500 26-Port, Руководство по настройке

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316 C
HAPTER
19: SSH T
ERMINAL
S
ERVICES
By default, no login authentication mode is specified, that is, SSH users are unable
to log in.
4 Configuring the authentication timeout
Use this configuration task to set the authentication timeout of SSH connections.
Perform the following configuration in system view.
Table 347 Set the SSH authentication timeoutr
By default, the authentication timeout is 60 seconds.
5 Set the update interval of server key
Please perform the following configurations in system view.
Table 348 Set the update interval of server key
By default, the system does not update server key.
The command is only available for the client version SSH1.5.
6 Configuring the number of authentication retries
Use this configuration task to set the number of authentication retries an SSH user
can request for a connection, thereby preventing illegal behaviors such as
malicious guessing.
Perform the following configuration in system view.
Table 349 Configure the number of SSH authentication retries
By default, the number of authentication retries is 3.
7 Entering the public key view
Use this configuration command to enter the public key view and specify the
name of the public key.
Perform the first configuration in the following table in system view.
Operation Command
Set the SSH authentication timeout
ssh server timeout seconds
Restore the default SSH authentication
timeout
undo ssh server timeout
Operation Command
Set the update interval of server key
ssh server rekey-interval hours
Restore the default update interval
undo ssh server rekey-interval
Operation Command
Configure the number of SSH
authentication retries
ssh server authentication-retries
times
Restore the default number of SSH
authentication retries
undo ssh server authentication-retries