3Com 5500-EI Series, Справочное руководство

Страница: 1004 / 1314

1-28
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.
Examples
# 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
Syntax
ssh server authentication-retries times
undo ssh server authentication-retries
View
System view
Parameters
times : Authentication retry times, in the range of 1 to 5.
Description
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 .
Examples
# 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