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Follow these steps to enable the device to support first-time authentication:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable the device to support
first-time authentication
ssh client first-time enable
Optional
By default, the client is enabled
to run initial authentication.
Follow these steps to disable first-time authentication support:
To do… Use the command… Remarks
Enter system view
system-view
—
Disable first-time authentication
support
undo ssh client first-time
Required
By default, the client is enabled
to run first-time authentication.
Configure server public key
Refer to
Configuring the Client
Public Key on the Server
Required
The method of configuring
server public key on the client is
similar to that of configuring
client public key on the server.
Specify the host key name of
the server
ssh client { server-ip |
server-name } assign
{ publickey | rsa-key }
keyname
Required
Establish the connection between the SSH client and server
The client’s method of establishing an SSH connection to the SSH server varies with authentication
types. See the table below for details.
Follow these steps to establish an SSH connection:
To do… Use the command… Remarks
Enter system view
system-view
—
Start the client to establish a
connection with an SSH server
ssh2 { host-ip | host-name }
[ port-num ] [ identity-key { dsa
| rsa } | prefer_kex
{ dh_group1 |
dh_exchange_group } |
prefer_ctos_cipher { des |
aes128 } | prefer_stoc_cipher
{ des | aes128 } |
prefer_ctos_hmac { sha1 |
sha1_96 | md5 | md5_96 } |
prefer_stoc_hmac { sha1 |
sha1_96 | md5 | md5_96 } ] *
Required
In this command, you can also
specify the preferred key
exchange algorithm, encryption
algorithms and HMAC
algorithms between the server
and client.
HMAC: Hash-based message
authentication code
Note that:
The identity-key keyword is
unnecessary in password
authentication and optional in
public key authentication.