Concept Guide

ip ssh hostbased-authentication
Enable hostbased-authentication for the SSHv2 server.
Syntax
ip ssh hostbased-authentication enable
To disable hostbased-authentication for SSHv2 server, use the no ip ssh hostbased-authentication
enable command.
Parameters
enable Enter the keyword enable to enable hostbased-authentication for SSHv2 server.
Defaults Disabled.
Command Modes CONFIGURATION
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
If you enable this command, clients can log in without a password prompt. This command provides two levels of
authentication:
• rhost-authentication is done with the le specied in the ip ssh rhostfile command.
• checking client host-keys is done with the le specied in the ip ssh pub-key-file command.
NOTE: Administrators must specify the two les (rhosts and pub-key-file) to congure host-
based authentication.
Related Commands
ip ssh pub-key-le — public keys of trusted hosts from a le.
ip ssh rhostsle — trusted hosts and users for rhost authentication.
ip ssh key-size
Congure the size of the server-generated RSA SSHv1 key.
Syntax
ip ssh key-size 512-869
Parameters
512-869 Enter the key-size number for the server-generated RSA SSHv1 key. The range is from
512 to 869. The default is 768.
Defaults Key size 768
Command Modes CONFIGURATION
Supported Modes Full–Switch
1192 Security