Ip Ssh Server - SMC Networks TigerSwitch SMC6128PL2 Management Manual

24-port fast ethernet switch
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steve@192.168.1.19
4. Set the Optional Parameters – Set other optional parameters, including
the authentication timeout, the number of retries, and the server key
size.
5. Enable SSH Service – Use the ip ssh server command to enable the
SSH server on the switch.
6. Configure Challenge-Response Authentication – When an SSH client
attempts to contact the switch, the SSH server uses the host key pair to
negotiate a session key and encryption method. Only clients that have a
private key corresponding to the public keys stored on the switch can
gain access. The following exchanges take place during this process:
a.
The client sends its public key to the switch.
b. The switch compares the client's public key to those stored in memory.
c.
If a match is found, the switch uses the public key to encrypt a random
sequence of bytes, and sends this string to the client.
d. The client uses its private key to decrypt the bytes, and sends the
decrypted bytes back to the switch.
e.
The switch compares the decrypted bytes to the original bytes it sent. If
the two sets match, this means that the client's private key corresponds
to an authorized public key, and the client is authenticated.
Note: To use SSH with only password authentication, the host public key
must still be given to the client, either during initial connection or
manually entered into the known host file. However, you do not
need to configure the client's keys.

ip ssh server

This command enables the Secure Shell (SSH) server on this switch. Use
the no form to disable this service.
S
M
YSTEM
ANAGEMENT
C
OMMANDS
4-49

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