3com 5500-ei pwr Guía De Referencia

 

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in subsequent authentications. In this mode, the client cannot ensure the correctness of the SSH 

server's host public key. 

z 

With first-time authentication disabled, you must configure the server’s host public key and specify 

the public key name for authentication on the client in advance. 

For details about first-time authentication, refer to corresponding section in SSH Operation. 

# Disable the client to run first-time authentication on an SSH client. 

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] undo ssh client first-time 

ssh server authentication-retries times 

System view 

times: Authentication retry times, in the range of 1 to 5. 

Use the ssh server authentication-retries command to set the authentication retry times for SSH 

connections. This configuration will take effect for all users logging in later. 

Use the undo ssh server authentication-retries command to restore the default authentication retry 

times. 

By default, the number of authentication retry times is 3. 

 

If you have used the ssh user authentication-type command to configure the authentication type of a 

user to password-publickey, you must set the authentication retry times to a number greater than or 

equal to 2 (so that the user can access the switch). 

 

Related commands: display ssh server. 

# Set the authentication retry times to four. 

<Sysname> system-view 

System View: return to User View with Ctrl+Z. 

[Sysname] ssh server authentication-retries 4