3com 5500-ei pwr Reference Guide

 

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After the configuration, the subsequent authentications are implemented automatically without 

asking you to enter the password. 

z 

Password-publickey authentication takes the advantages of both the password authentication and 

publickey authentication. An SSH user must pass both types of authentication before logging in. 

The combination of password and publickey authentications eliminates the vulnerability of the SSH 

server caused by the clients. You can use password-publickey authentication together with AAA for 

authentication and authorization of users. 

 

You need to specify the authentication mode for an SSH user. Otherwise, the user will not be able to log 

in to the SSH server. 

 

Related commands: display ssh user-information. 

# Specify the publickey authentication for SSH users.  

<Sysname>system-view 

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

[Sysname]ssh user kk authentication-type publickey 

# Display the SSH user information. 

[Sysname] display ssh user-information kk 

 Username            Authentication-type  User-public-key-name  Service-type 

 kk                  publickey            null                  stelnet 

ssh user username service-type { stelnet | sftp | all } 

undo ssh user username service-type 

System view 

username: SSH user name, a string of 1 to 184 characters. It cannot contain any of these characters: 

slash (/), backslash (\), colon (:), asterisk (*), question mark (?), less than sign (<), greater than sign (>), 

and the vertical bar sign (|). In addition, the @ sign can appear up to once, the username part (that is, 

the string before the @ sign) cannot be more than 55 characters, and the domain name part cannot be 

more than 128 characters. 

stelnet: Specifies the service type of secure Telnet.. 

sftp: Specifies the service type as secure FTP.. 

all: Specifies both secure Telnet and secure FTP.