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User Authentication
3-77
3
not exist on the switch, SSH will revert to the interactive password authentication
mechanism to complete authentication.
Field Attributes
• Public-Key of user – The RSA and DSA public keys for the selected user.
- RSA: The first field indicates the size of the host key (e.g., 1024), the second
field is the encoded public exponent (e.g., 37), and the last string is the encoded
modulus.
- DSA: The first field indicates that SSH version 2 was used to create the key. The
second field contains the key comment. The third string is the encoded modulus,
and the last field is a comment denoting the end of the key.
• User Name – This drop-down box selects the user who’s public key you wish to
manage. Note that you must first create users on the User Accounts page ( See
“Configuring User Accounts” on page 3-51).
• Public-Key Type – This drop-down box selects the type of public key you wish to
upload.
- RSA: The switch will accept an SSH version 1 formatted RSA encrypted public
key.
- DSA: The switch will accept an SSH version 2 formatted DSA encrypted public
key.
• TFTP Server IP Address – The IP address of the TFTP server that contains the
public key file you wish to import. (Default: 0.0.0.0)
• Source File Name – The IP address of the TFTP server where the public key file
to be imported is located. (Default: 0.0.0.0)
• Copy Public Key – This button initiates the public key TFTP import process. If you
are replacing an outdated public key file, it is not necessary to first delete the
original key from the switch. The import process will overwrite the existing key.
• Delete – This button deletes a selected RSA or DSA public key that has already
been imported to the switch.