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Command
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ip ssh hostbased-authentication
c e s
Syntax
Parameters
Defaults
Command Modes
Command
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Usage
Information
Related
Commands
ip ssh key-size
c e s
Syntax
Parameters
Defaults
1314
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Security
Version 7.6.1.0
Introduced for S-Series
Version 7.5.1.0
Introduced for C-Series
pre-Version 6.1.1.0
Introduced for E-Series
Enable hostbased-authentication for the SSHv2 server.
ip ssh hostbased-authentication enable
To disable hostbased-authentication for SSHv2 server, use the no ip ssh
hostbased-authentication enable command.
enable
Enter the keyword
Disable by default
CONFIGURATION
Version 7.6.1.0
Introduced for S-Series
Version 7.5.1.0
Introduced for C-Series
pre-Version 6.1.1.0
Introduced for E-Series
If this command is enabled, clients can login without a password prompt. This provides two levels of
authentication:
rhost-authentication is done with the file specified in the ip ssh rhostfile command
•
•
checking client host-keys is done with the file specified in the ip ssh pub-key-file command
If no ip ssh rsa-authentication enable is executed, host-based authentication is disabled.
Note:
Administrators must specify the two files (rhosts and pub-key-file) to configure
host-based authentication.
ip ssh pub-key-file
ip ssh rhostsfile
Configure the size of the server-generated RSA SSHv1 key.
ip ssh key-size 512-869
512-869
Key size 768
enable
to enable hostbased-authentication for SSHv2 server.
Public keys of trusted hosts from a file.
Trusted hosts and users for rhost authentication.
Enter the key-size number for the server-generated RSA SSHv1 key.
Range: 512 to 869
Default: 768
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